Παραπομπή APA

S.M.Mathur. (2001). Guide to field geology (1st.). Prentice Hall.

Παραπομπή Chicago Style

S.M.Mathur. Guide to Field Geology. 1st. New Delhi: Prentice Hall, 2001.

Παραπομπή MLA

S.M.Mathur. Guide to Field Geology. 1st. Prentice Hall, 2001.