Steen en mineralen.

MLA

Parker, Steve, Pieter Cramer, and Carrie Haines. Steen En Mineralen. Biblion, .200.

APA

Parker, S., Cramer, P., & Haines, C. (.200). Steen en mineralen. Biblion.

Chicago

Parker, Steve, and Carrie Haines. Steen En Mineralen.. Translated by Pieter Cramer. : Biblion, .200.