Richards, S., Biederstädt, W., & Proulx, M. (1999). Contents: The USA, Russia, Japan, China, Nigeria, The restless Earth, Vocabulary - Geographical Dictionary (English-German), Geographical Dictionary (German-English) (1. Aufl., 1. Dr.). Cornelsen.
Cita Chicago Style (17a ed.)Richards, Susan, Wolfgang Biederstädt, y Marc Proulx. Contents: The USA, Russia, Japan, China, Nigeria, The Restless Earth, Vocabulary - Geographical Dictionary (English-German), Geographical Dictionary (German-English). 1. Aufl., 1. Dr. Berlin: Cornelsen, 1999.
Cita MLA (9a ed.)Richards, Susan, et al. Contents: The USA, Russia, Japan, China, Nigeria, The Restless Earth, Vocabulary - Geographical Dictionary (English-German), Geographical Dictionary (German-English). 1. Aufl., 1. Dr. Cornelsen, 1999.