Auchincloss, Louis, author
Houghton Mifflin, 1964
Buku Teks
Benjamin, M., author
Van Nostrand Reinhold, 1983
Buku Teks
Zimmerman, Joan
Research Studies Press, 1978
Buku Teks
Longenecker, Justin G.
Charles E. Merril, 1981
Buku Teks
Blackwell, 2003
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