APA استشهاد

Kerr, P. F. (1977). Optical mineralogy: :4th ed (4th ed.). McGraw-Hill.

استشهاد بنمط شيكاغو

Kerr, Paul F. Optical Mineralogy: :4th Ed. 4th ed. New York: McGraw-Hill, 1977.

MLA استشهاد

Kerr, Paul F. Optical Mineralogy: :4th Ed. 4th ed. McGraw-Hill, 1977.