Gaya APA

Tordie, N. (1993). Soil Science Society of America Journal Vol. 57 No. 6 November - December 1993 (Vol. 57 No. 6). Madison, Wisconsin, AS: Soil Science Socity of America.

Gaya MLA

Tordie, Nobuo. "Soil Science Society of America Journal Vol. 57 No. 6 November - December 1993". Vol. 57 No. 6 Madison, Wisconsin, AS: Soil Science Socity of America, 1993. Text.