APA aipamena

 Bhushan, B. (2013).  Introduction to tribology.  John Wiley & Sons.

Chicago Style aipamena

 Bhushan, Bharat.  Introduction to Tribology.  John Wiley & Sons, 2013.

MLA aipamena

 Bhushan, Bharat.  Introduction to Tribology.  John Wiley & Sons, 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.