APA
Fried G., . (2009). Schaum's Outline of Biology, Third Edition. : Mcgraw-hill.
Chicago
Fried George, . 2009. Schaum's Outline of Biology, Third Edition. : Mcgraw-hill.
Harvard
Fried G., . (2009). Schaum's Outline of Biology, Third Edition. : Mcgraw-hill.
MLA
Fried George, . Schaum's Outline of Biology, Third Edition. : Mcgraw-hill. 2009.