König, E., & Riedel, H. (1973). Systemtheoretische Didaktik. Beltz.
Chicago Style (17th ed.) CitationKönig, Ernst, and Harald Riedel. Systemtheoretische Didaktik. Weinheim Basel: Beltz, 1973.
MLA (8th ed.) CitationKönig, Ernst, and Harald Riedel. Systemtheoretische Didaktik. Beltz, 1973.
Warning: These citations may not always be 100% accurate.