APA aipamena

Open University. Course Team. (1974). Ecology : science: A third level course. The Open University Press.

Chicago Style aipamena

Open University. Course Team. Ecology : Science: A Third Level Course. Milton Keynes: The Open University Press, 1974.

MLA aipamena

Open University. Course Team. Ecology : Science: A Third Level Course. The Open University Press, 1974.