Book Essentials, 1991
Buku Referensi
USA : Macmillan, 1996,
Buku Referensi
prepared under the editorial supervision of In Plain English, Inc.
Macmillan, 1996
Buku Referensi
G & C Merriam Co., [1971]
Buku Referensi
Barthes, Roland, author
Hill and Wang, 2012
Buku Teks