Παραπομπή APA

FREEMAN,Bob.A. (1979). TEXT BOOK OF MICROBIOLOGY (21.). W.B. SAUNDERS COMPANY.

Παραπομπή Chicago Style

FREEMAN,Bob.A. TEXT BOOK OF MICROBIOLOGY. 21. PHILADELPHIA & LONDON: W.B. SAUNDERS COMPANY, 1979.

Παραπομπή MLA

FREEMAN,Bob.A. TEXT BOOK OF MICROBIOLOGY. 21. W.B. SAUNDERS COMPANY, 1979.