Walker, E. L. (1973). Conditioning dan proses belajar instrumental. Yayasan Penerbit UI.
Chicago Style (17th ed.) CitationWalker, Edward L. Conditioning Dan Proses Belajar Instrumental. Yayasan Penerbit UI, 1973.
MLA (8th ed.) CitationWalker, Edward L. Conditioning Dan Proses Belajar Instrumental. Yayasan Penerbit UI, 1973.
Warning: These citations may not always be 100% accurate.