Born, W., Otto, G., & Klafki, W. (1978). Didaktische Trends. Urban u. Schwarzenberg.
Chicago Style (17th ed.) CitationBorn, Wolfgang, Gunter Otto, and Wolfgang Klafki. Didaktische Trends. München Wien [u.a.]: Urban u. Schwarzenberg, 1978.
MLA (8th ed.) CitationBorn, Wolfgang, et al. Didaktische Trends. Urban u. Schwarzenberg, 1978.
Warning: These citations may not always be 100% accurate.