APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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