Παραπομπή APA

Frye, K. (1981). Encyclopaedia of mineralogy. Hutchinson& Ross.

Παραπομπή Chicago Style

Frye, Keith. Encyclopaedia of Mineralogy. Pennsylvania: Hutchinson& Ross, 1981.

Παραπομπή MLA

Frye, Keith. Encyclopaedia of Mineralogy. Hutchinson& Ross, 1981.