APA (7e ed.) Bronvermelding

American Society of Agronomy. (1992). Journal of natural resources and life sciences education. American Society of Agronomy.

Chicago (17e ed.) Bronvermelding

American Society of Agronomy. Journal of Natural Resources and Life Sciences Education. Madison, WI: American Society of Agronomy, 1992.

MLA (9e ed.) Bronvermelding

American Society of Agronomy. Journal of Natural Resources and Life Sciences Education. American Society of Agronomy, 1992.