Dyfyniad APA

Martin Alexander. (1961). Introduction to soil microbiology (2.). Wiley eastern limited.

Dyfyniad Arddull Chicago

Martin Alexander. Introduction to Soil Microbiology. 2. New Delhi: Wiley eastern limited, 1961.

Dyfyniad MLA

Martin Alexander. Introduction to Soil Microbiology. 2. Wiley eastern limited, 1961.

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