Παραπομπή APA

Peng, S., & Zhang, J. (2007). Engineering geology for underground rocks. Springer.

Παραπομπή Chicago Style

Peng, Suping, και Jincai Zhang. Engineering Geology for Underground Rocks. Berlin: Springer, 2007.

Παραπομπή MLA

Peng, Suping, και Jincai Zhang. Engineering Geology for Underground Rocks. Springer, 2007.