4 1 10 SKINNER, B.F. Primary Author mixed material 0394492013 New York Alfred A. Knopf 1980 SKINNER, B.F. Primary Author mixed material New York The Free Press 1965 MAUFUR [penerj.] Additional Author KUSMINI P., Rianayati [penyunt.] Additional Author SKINNER, B.F. Primary Author mixed material 9786022292043 Yogyakarta Pustaka Pelajar 2013 SKINNER, B.F. Primary Author mixed material New York Appleton-Century-Crofts 1957