Gaya APA

Leij, F. (1992). Soil Science Society of America Journal Vol. 56 No. 3 May - June 1992 (Vol. 56 No. 3). Madison, Wisconsin, AS: Soil Science Socity of America.

Gaya MLA

Leij, Feike. "Soil Science Society of America Journal Vol. 56 No. 3 May - June 1992". Vol. 56 No. 3 Madison, Wisconsin, AS: Soil Science Socity of America, 1992. Text.