APA aipamena

Martin Alexander. (1961). Introduction to soil microbiology. New York: John Wiley.

Chicago Style aipamena

Martin Alexander. Introduction to Soil Microbiology. New York: John Wiley, 1961.

MLA aipamena

Martin Alexander. Introduction to Soil Microbiology. New York: John Wiley, 1961.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.