Morphet, Edgar L. (Edgar Leroy), 1895- , author
Prentice-Hall, 1982
Buku Teks
edited by Noel Entwistle
Routledge, 1990
Buku Referensi
edited by Hans F. Crombag and Dato N. De Gruijter
Mouton, 1974
Buku Teks
Schwartz, Candy, author
Ablex Publishing, 1993
Buku Teks
Wardiman Djojonegoro, author
Ministry of Education and Culture , 1994
Buku Teks