Coenraads, R. R. (2007). Geologica: : Earth's dynamic forces. Millennium House.
Citación estilo ChicagoCoenraads, Robert R. Geologica: : Earth's Dynamic Forces. Millennium House, 2007.
Cita MLACoenraads, Robert R. Geologica: : Earth's Dynamic Forces. Millennium House, 2007.
Warning: These citations may not always be 100% accurate.