APA aipamena

Alexander, M. (1961). Introduction to soil microbiology. John Wiley & Sons INC.

Chicago Style aipamena

Alexander, Martin. Introduction to Soil Microbiology. USA: John Wiley & Sons INC, 1961.

MLA aipamena

Alexander, Martin. Introduction to Soil Microbiology. John Wiley & Sons INC, 1961.