Hausen, H. (1968). The history of geology and mineralogy in Finland. Board.
Cita Chicago Style (17a ed.)Hausen, Hans. The History of Geology and Mineralogy in Finland. Helsinki: Board, 1968.
Cita MLA (8a ed.)Hausen, Hans. The History of Geology and Mineralogy in Finland. Board, 1968.
Precaución: Estas citas no son 100% exactas.