Hicks, Ursula K.
Kinokuniya , 1959
Buku Teks
edited by Carl S. Shoup
Aldine Publishing, 1969
Buku Teks
Rosen, Harvey S.
McGraw-Hill, 2010
Buku Teks
Lutz, Harley Leist
D. Appleton-Century, 1947
Buku Teks
Herber, Bernard P.
Richard D. Irwin, [date of publication not identified]
Buku Teks