APA (7th ed.) Citation
Lumsden, K., Attiyeh, R., Bach, G. L., Ritter, U. P., & Rühmann, P. (1973). Makroökonomie: Macroeconomics, a programmed book. Deutsch.
Chicago Style (17th ed.) Citation
Lumsden, Keith, Richard Attiyeh, George Leland Bach, Ulrich Peter Ritter, and Peter Rühmann. Makroökonomie: Macroeconomics, a Programmed Book. Zürich, Frankfurt/M: Deutsch, 1973.
MLA (9th ed.) Citation
Lumsden, Keith, et al. Makroökonomie: Macroeconomics, a Programmed Book. Deutsch, 1973.
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