Cita APA (7th ed.)

Bhushan, B., & Gupta, B. K. (1991). Handbook of tribology: Materials, coatings, and surface treatments. McGraw-Hill.

Cita Chicago (17th ed.)

Bhushan, Bharat, i B. K. Gupta. Handbook of Tribology: Materials, Coatings, and Surface Treatments. New York: McGraw-Hill, 1991.

Cita MLA (9th ed.)

Bhushan, Bharat, i B. K. Gupta. Handbook of Tribology: Materials, Coatings, and Surface Treatments. McGraw-Hill, 1991.

Atenció: Aquestes cites poden no estar 100% correctes.