Παραπομπή APA

Shah, S. K., & Parcha, S. Story of fossils. Geological Society of India.

Παραπομπή Chicago Style

Shah, S. K., και S.K Parcha. Story of Fossils. Bangalore: Geological Society of India.

Παραπομπή MLA

Shah, S. K., και S.K Parcha. Story of Fossils. Geological Society of India.