GILBERTSON, D. (1989). Practical Ecology For Geography And Biology. Croom Helm.
Chicago Style (17th ed.) CitationGILBERTSON, DD. Practical Ecology For Geography And Biology. Croom Helm, 1989.
MLA引文GILBERTSON, DD. Practical Ecology For Geography And Biology. Croom Helm, 1989.
警告：這些引文格式不一定是100％准確.