Hetherington, Mavis E.
McGraw-Hill, 1993
Buku Teks
E. Mavis Hetherington ...[et al.]
McGRaw-Hill, 2006
Buku Teks
edited by Lawrence S. Wringtsman
Wadsworth, 1968
Buku Teks
Hetherington, Mavis E.
McGraw-Hill , 1999
Buku Teks
Hetherington, Mavis E.
McGraw-Hill, 1986
Buku Teks