Lopet, R. S. (1975). Civilizations western and world (Teacher's manual to accompany.). Little, Brown.
Chicago-Zitierstil (17. Ausg.)Lopet, Robert S. Civilizations Western and World. Teacher's manual to accompany. Boston: Little, Brown, 1975.
MLA-Zitierstil (9. Ausg.)Lopet, Robert S. Civilizations Western and World. Teacher's manual to accompany. Little, Brown, 1975.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.