Echols, John M., editor; Hassan Shadily, 1920-
Gramedia Pustaka Utama, 2005
Buku Teks
Echols, John M., author
Gramedia, 1990
Buku Referensi
Echols, John M., author
Gramedia Pustaka Utama, 2003
Buku Referensi
Peter Salim, author
Modern English Press, 1993
Buku Referensi
Peter Salim, author
Modern English Press, [date of publication not identified]
Buku Referensi