Gaya APA

Engelkrik, G, R, B, &, P, G. (2004). Microbiology for the health Sciences (7). Philadelphia: Lippincott Williams & Wilkins.

Gaya MLA

Engelkrik, Gwendolyn, R.W, Burton, &, Paul, G.. "Microbiology for the health Sciences". 7 Philadelphia: Lippincott Williams & Wilkins, 2004. Text.