Sherman, Alan, author
Houghton Mifflin, 1976
Buku Teks
Adams, Roger, 1889-1971, author
McMillan, 1963
Buku Teks
Vowles, P.D., author
Pergamon Press, 1980
Buku Teks
Doxsee, Kenneth M., author
Thomson, Brooks/Cole, 2004
Buku Teks
Rodiq, Oscar R., author
Fort Worth Saunders, 1990
Buku Teks