APA সাইটেশন

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

শিকাগো স্টাইলে সাইটেশন

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

এমএলএ সাইটেশন

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