एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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