Dyfyniad APA

Alexander, M. (1985). Introduction to Soil Microbiology (2nd.). Wiley Eastern.

Dyfyniad Arddull Chicago

Alexander, Martin. Introduction to Soil Microbiology. 2nd. New Delhi: Wiley Eastern, 1985.

Dyfyniad MLA

Alexander, Martin. Introduction to Soil Microbiology. 2nd. Wiley Eastern, 1985.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.