Leypoldt, M. M. (1971). Learning is change. Judson Press.
Chicago Style (17th ed.) CitationLeypoldt, Martha M. Learning Is Change. Valley Forge, Pa.: Judson Press, 1971.
MLA引文Leypoldt, Martha M. Learning Is Change. Judson Press, 1971.
警告:这些引文格式不一定是100%准确.