Hall, Gordon C. Nagayama
Prentice-Hall, 2002
Buku Teks
Blanton, Linda Lonon
Heinle & Heinle, 1995
Buku Teks SO
Weston, John Fred, 1916-
McGraw-Hill, 2001
Buku Teks
edited by Snehendu B. Kar, Rina Alcalay
Sage, 2000
Buku Teks SO
editors, Joseph G. Ponterotto, J. Mannuel Casas, Lisa A. Suzuki, Charlene M. Alexander
Sage Publications, 2001
Buku Referensi