Liebert, Robert M., 1942-
Prentice-Hall, 1986
Buku Teks
Patrick Leman, Andy Bremner, Ross D Parke, Mary Guavain
McGraw-Hill, 2012
Buku Teks
Hurlock, Elizabeth Bergner, 1898-
Tata McGraw-Hill, 1979
Buku Teks
Upton, Penney
Learning Matters, 2011
Buku Teks
Hoffman, Lois
McGraw-Hill, 1994
Buku Teks