Malle, Michael A., author
J.B. Lippincott, 1977
Buku Teks
Cohen, Lillian, author
Prentice-Hall, 1955
Buku Teks
Kohout, Frank J., author
John Wiley & Sons, 1974
Buku Teks
Andersen, Erling B., author
North-Holland, 1980
Buku Teks
Howell, David C.
Thomson/Wadsworth, 2008
Buku Teks