APA ציטוט

Billings, M. (2019). Structural Geology (8th.). Pearson.

Chicago Style (17th ed.) Citation

Billings, Marland. Structural Geology. 8th. New Delhi: Pearson, 2019.

ציטוט MLA

Billings, Marland. Structural Geology. 8th. Pearson, 2019.