APA-viite (7. p.)

Open University (Great Britain). Earth's Physical Resources Course Team. (1973). Energy resources. Open University Press.

Chicago-viite (17. p.)

Open University (Great Britain). Earth's Physical Resources Course Team. Energy Resources. Milton Keynes: Open University Press, 1973.

MLA-viite (8. p.)

Open University (Great Britain). Earth's Physical Resources Course Team. Energy Resources. Open University Press, 1973.