APA استشهاد

Gillham, N. W., & Krueger, R. G. (1973). Introduction to Microbiology. Mac Millan Company.

استشهاد بنمط شيكاغو

Gillham, Nicholas W., و Robert G. Krueger. Introduction to Microbiology. New York: Mac Millan Company, 1973.

MLA استشهاد

Gillham, Nicholas W., و Robert G. Krueger. Introduction to Microbiology. Mac Millan Company, 1973.