Gaya APA

Tilton, R, C., portor, P, J. (2001). microbiology : Pretest Self Assessment and Review Fourth Edition (edisi 4). Singapore: MCGRAW-HILL BOOK COMPANY, INC.

Gaya MLA

Tilton, Ricahrd, C.., portor, Phd,richard, Janvier. "microbiology : Pretest Self Assessment and Review Fourth Edition". edisi 4 Singapore: MCGRAW-HILL BOOK COMPANY, INC, 2001. Text.