Clausing, G. (1990). Interaktion: A text-based intermediate German course. Houghton Mifflin.
Chicago Style (17th ed.) CitationClausing, Gerhard. Interaktion: A Text-based Intermediate German Course. Boston: Houghton Mifflin, 1990.
MLA (9th ed.) CitationClausing, Gerhard. Interaktion: A Text-based Intermediate German Course. Houghton Mifflin, 1990.
Warning: These citations may not always be 100% accurate.