एपीए उद्धरण

(1991). Booker tropical soil manual: A hand book for soil survey and agricultural land evaluation in the tropics and Subtropics. New York: Longman Scientific &​ Technical.

शिकागो स्टाइल उद्धरण

Booker Tropical Soil Manual: A Hand Book for Soil Survey and Agricultural Land Evaluation in the Tropics and Subtropics. New York: Longman Scientific &​ Technical, 1991.

एमएलए उद्धरण

Booker Tropical Soil Manual: A Hand Book for Soil Survey and Agricultural Land Evaluation in the Tropics and Subtropics. New York: Longman Scientific &​ Technical, 1991.