Gaya APA

Bigham, J, M. (1998). Journal Soil science society of America (Vol. 62,--No. 5). Amerika: The Soil science society of America Inc.

Gaya MLA

Bigham, Jerry, M.. "Journal Soil science society of America". Vol. 62,--No. 5 Amerika: The Soil science society of America Inc, 1998. 1.