APA引文

Open University Course Team. (1974). Ecology.Block C. Individuals and communities. Open university.

Chicago Edition Citation

Open University Course Team. Ecology.Block C. Individuals and Communities. Open university, 1974.

MLA引文

Open University Course Team. Ecology.Block C. Individuals and Communities. Open university, 1974.

警告：這些引文格式不一定是100％准確.