Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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