APA استشهاد

NULL. (1978). ESSAYS IN MICROBIOLOGY. JOHN WILEY &SONS.

استشهاد بنمط شيكاغو

NULL. ESSAYS IN MICROBIOLOGY. CANADA: JOHN WILEY &SONS, 1978.

MLA استشهاد

NULL. ESSAYS IN MICROBIOLOGY. JOHN WILEY &SONS, 1978.