International Geographical Congress ,23rd :1976 (Moscow, Russia). (1976). International geography '76. Distributed by Pergamon Press.
Chicago-Zitierstil (17. Ausg.)International Geographical Congress ,23rd :1976 (Moscow, Russia). International Geography '76. Distributed by Pergamon Press, 1976.
MLA-Zitierstil (9. Ausg.)International Geographical Congress ,23rd :1976 (Moscow, Russia). International Geography '76. Distributed by Pergamon Press, 1976.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.