APA ציטוט

Willrich, M. (1975). Energy and world politics. Collier Macmillan.

Chicago Style (17th ed.) Citation

Willrich, Mason. Energy and World Politics. Collier Macmillan, 1975.

ציטוט MLA

Willrich, Mason. Energy and World Politics. Collier Macmillan, 1975.