Gaya APA

Cowan, M, K., Talaro, K, P. (2009). Microbiology: a System Approach (Second Editio). USA: McGraw-Hill.

Gaya MLA

Cowan, Marjory, Kelly., Talaro, Kathleen, Park. "Microbiology: a System Approach". Second Editio USA: McGraw-Hill, 2009. textbook.