Hicks, Herbert G., author
McGraw-Hill Kogakusha, 1974
Buku Teks
Lundgren, Earl F., author
Confield, 1974
Buku Teks
McNulty, James E., author
University of Pennsylvania Press, 1964
Buku Teks
Voich, Dan, author
Ronald Press, 1968
Buku Teks
Thurston, Phillip H., author
Harvard University, 1959
Buku Teks