APA ציטוט

Billings, M. P. (1974). Structural geology (Third edition.). Prentice-Hall of India.

Chicago Style (17th ed.) Citation

Billings, Marland P. Structural Geology. Third edition. New Delhi: Prentice-Hall of India, 1974.

ציטוט MLA

Billings, Marland P. Structural Geology. Third edition. Prentice-Hall of India, 1974.