Paseta, Senia, author
Oxford University Press, 2016
eBooks
Peterson, Jim, author
Emerald, 2017
eBooks
McIntosh, Jane, author
Checkmark Books, 1999
Buku Referensi
LP3ES, 1993
Buku Teks
edited by Sylvan Barnet, Morton Berman, William Burton
New American Library, 1960
Buku Teks