Monty, C. L. V. (1968). D'orbigny's concepts of stage and zone.
Cita Chicago Style (17a ed.)Monty, Claude L. V. D'orbigny's Concepts of Stage and Zone. 1968.
Cita MLA (8a ed.)Monty, Claude L. V. D'orbigny's Concepts of Stage and Zone. 1968.
Precaución: Estas citas no son 100% exactas.