Gaya APA

Gaudy, A, F., Gaudy, J, E, G, T. (). Microbiology for environmental scientists & enginers . : Mc Graw ? Hill Book Company.

Gaya MLA

Gaudy, Anthony, F.., Gaudy, Jr., Elizabeth, Gaudy, T.. "Microbiology for environmental scientists & enginers". : Mc Graw ? Hill Book Company, . Text.