(1976). Conceptual planning for creative learning / Bruce M. Mitchell, Arnold F. Stueckle, Robert F. Wilkens.
Chicago Style (17. basım) AtıfConceptual Planning for Creative Learning / Bruce M. Mitchell, Arnold F. Stueckle, Robert F. Wilkens. 1976.
MLA (9th ed.) AtıfConceptual Planning for Creative Learning / Bruce M. Mitchell, Arnold F. Stueckle, Robert F. Wilkens. 1976.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..