edited by Robert Teviot Livingston and Stanley H. Milberg
Columbia University Pres, 1957
Buku Teks
edited by Robert Teviot Livingston and Stanley H. Milberg
Colombia University Press , 1957
Buku Teks
Onong U. (Onong Uchjana) Effendy, author
Alumni, 1983
Buku Teks
Knowles, Asa S., author
Macmillan, 1946
Buku Teks
edited by Keith Davis and William G. Scott
McGraw-Hill, 1959
Buku Teks