Gaya APA

Volk, R, H, D, J, A, R, V, V., Baker., D, E. (1 Januari 1981.). Chemistry in the Soil Environment . London: American Society of Agronomy (ASA) dan Soil Science Society of America (SSSA).

Gaya MLA

Volk, R., H., Dowdy,, J., A., Ryan,, V., V.., Baker., D., E.. "Chemistry in the Soil Environment". London: American Society of Agronomy (ASA) dan Soil Science Society of America (SSSA), 1 Januari 1981.. Text.