Gramedia Widiasarana Indonesia, 1999
Buku Teks
Echols, John M., author
Gramedia Pustaka Utama, 1996
Buku Referensi
Echols, John M., author
Gramedia Pustaka Utama, 1990
Buku Referensi
W.J.S. Poerwadarminta, author
Balai Pustaka, 1961
Buku Referensi
Echols, John M., author
Gramedia,
Buku Referensi