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West Publishing, 1984
Buku Teks
Steinberg, Laurence, author
Wadsworth and Cengage Learning, 2011
Buku Teks
Papalia, Diane E.
McGraw-Hill, 2006
Multimedia
Papalia, Diane E., author
McGraw-Hill, 2002
Buku Teks
Pipes, Peggy L.
Tinus Mirror/Mosby , 1989
Buku Teks