Broom, Leonard
Harper & Row, 1977
Buku Teks
Broom, Leonard
Harper & Row , 1963
Buku Teks
Broom, Leonard
Harper, 1981
Buku Teks
edited by Paul B. Horton and Gerald R. Leslie
Prentice-Hall, 1975
Buku Teks
edited by Levis D. McCullers, Richard G. Schroeder
John Wiley & Sons, 1982
Buku Teks