APA-referens (7:e uppl.)

SINGH PARBIN. (2013). ENGINEERING AND GENERAL GEOLOGY (8TH ED.). S K KATARIA AND SONS.

Chicago-referens (17:e uppl.)

SINGH PARBIN. ENGINEERING AND GENERAL GEOLOGY. 8TH ED. NEW DELHI: S K KATARIA AND SONS, 2013.

MLA-referens (9:e uppl.)

SINGH PARBIN. ENGINEERING AND GENERAL GEOLOGY. 8TH ED. S K KATARIA AND SONS, 2013.