Gaya APA

I.A., M, ., R.A., P, . (1961). Veterinary Bacteriology and Virology (6th.ed). USA: Iowa State University Press.

Gaya MLA

I.A., Merchant, ., R.A., Packer, . "Veterinary Bacteriology and Virology". 6th.ed USA: Iowa State University Press, 1961. Text.