by Robert W. Parry ... [and others]
Prentice-Hall, 1970
Buku Teks
Murphy, Daniel B.
Ronald Press, 1980
Buku Teks
Murphy, Daniel B.
Ronald Press, 1969
Buku Teks
Hein, Morris
Brooks, 1984
Buku Teks
Sienko, Michell J.
McGraw-Hill Kogakusha, 1961
Buku Teks