editor, Denny J.A., Fransiskus Surdiasis
LKIS Yogyakarta, 2006
Buku Teks
Crouch, Harold, author
Yayasan Perkhidmatan, 1982
Buku Teks
editor Juwono Sudarsono
Gramedia, 1976
Buku Teks
Teuku May Rudy, author
Eresco, 1993
Buku Teks
Iver, Mc., author
Aksara Baru, 1980
Buku Teks