एपीए उद्धरण

R E White. (1979). Introduction to the principles and practice of soil science. Oxford: Blackwell Scientific Publications.

शिकागो स्टाइल उद्धरण

R E White. Introduction to the Principles and Practice of Soil Science. Oxford: Blackwell Scientific Publications, 1979.

एमएलए उद्धरण

R E White. Introduction to the Principles and Practice of Soil Science. Oxford: Blackwell Scientific Publications, 1979.