Gaya APA

Graber, E, R. (1995). Soil Science Society of America Journal Vol. 59 No. 6 November - December 1995 (Vol. 59 No. 6). Madison, Wisconsin, AS: Soil Science Socity of America.

Gaya MLA

Graber, E., R.. "Soil Science Society of America Journal Vol. 59 No. 6 November - December 1995". Vol. 59 No. 6 Madison, Wisconsin, AS: Soil Science Socity of America, 1995. Text.