Gitterman, M., & Halpern, V. (1981). Qualitative analysis of physical problems. Academic Press.
Chicago Style (17th ed.) CitationGitterman, M., and Vivian Halpern. Qualitative Analysis of Physical Problems. New York: Academic Press, 1981.
MLA (9th ed.) CitationGitterman, M., and Vivian Halpern. Qualitative Analysis of Physical Problems. Academic Press, 1981.