2.  Dashefsky, H. Steven. Environmental Science. New York: TAB Books, 1994. If there are;  2 authors:Jones, Mary and John Price.  3+authors:Jones, Mary et al.  Editor:Jones, Mary (ed.)  If there is no author, TITLE will be the first entry

3.  Strauss, Stephen. “Scientists find sunlight cleans mercury from water.” The Globe and Mail 26 April 1996: A3.

4.  Likens, Gene E. “Acid Rain in Eastern North America.” World Book Encyclopedia, 1992 ed.

5.  The Cartoon Guide to Physics. CD-ROM. Harper-Collins Publishers, 1995.

6.  Walker, Janice R. [jwalker@acs.bu.edu]. Smog and acid rain. Online. [http://www.met.las/walker/edu.bc[]. 4 Aug 1997.

7.  Crosby, Sidney. Personal interview. 11 Jan 2010.

8. (a)Government  Ontario. Ministry of Natural Resources. Lake acidity in Ontario lakes. Toronto, 1994. (b) Organization  International Development Research Centre. Reef Relief. Ottawa, n.d.

9. The Cartoon Guide to Physics. CD-ROM. Harper-Collins Publishers, 1995. Crosby, Sidney. Personal interview. 11 Jan 2010. Dashefsky, H. Steven. Environmental Science. New York: TAB Books, 1994. International Development Research Centre. Reef Relief. Ottawa, n.d. Likens, Gene E. “Acid Rain in Eastern North America.” World Book Encyclopedia, 1992 ed. Ontario. Ministry of Natural Resources. Lake acidity in Ontario lakes. Toronto, 1994. Strauss, Stephen. “Scientists find sunlight cleans mercury from water.” The Globe and Mail 26 April 1996: A3. Walker, Janice R. [jwalker@acs.bu.edu]. Smog and acid rain. Online. [http://www.met.las/walker/edu.bc[]. 4 Aug 1997.