Gaya APA

Lockington, D. (1994). Soil Science Society of America Journal Vol. 52 No. 4 July - August 1994 (Vol. 52 No 4). Madison, Wisconsin, AS: Soil Science Socity of America.

Gaya MLA

Lockington, D.. "Soil Science Society of America Journal Vol. 52 No. 4 July - August 1994". Vol. 52 No 4 Madison, Wisconsin, AS: Soil Science Socity of America, 1994. Text.