APA aipamena

Open Universityearth's Physical Resources Course Team & Open University, E. P. (1974). Implications. Open university press.

Chicago Style aipamena

Open Universityearth's Physical Resources Course Team and Earth's Physic Open University. Implications. Open university press, 1974.

MLA aipamena

Open Universityearth's Physical Resources Course Team and Earth's Physic Open University. Implications. Open university press, 1974.