Gaya APA

Murdock, S, H., Albrecht, D, E. (1990). The Sociology of U.S. agriculture : an ecological perspective / Don E. Albrecht, Steve H. Murdock (Ed.ke-1). : Iowa State University Press.

Gaya MLA

Murdock, Steve, H.., Albrecht, Don, E.. "The Sociology of U.S. agriculture : an ecological perspective / Don E. Albrecht, Steve H. Murdock". Ed.ke-1 : Iowa State University Press, 1990. Textbook.