edited by Thomas Clark ... [and others]
Writers digest Books, 1994
Buku Referensi
Writer's Digest Bokks, 1994
Buku Teks
editor by. James A. Maxwell
The Reader's Digest Association Inc., 1984
Buku Referensi
edited by Jean M. fredette
Writers Digest Book, 1990
Buku Referensi
edited by Jean M. Fredette
Writer`s Digest Books, 1988
Buku Teks