edited by John W. Atkinson, Norman T. Feataher
Robert E. Krieger, 1966
Buku Teks
edited by Chalmers L. Stacey and Manfred F. DeMartino
Howard Allen, 1958
Buku Teks
Bindra, Dalbir
Ronald Press, 1959
Buku Teks
Weiner, Bernard
Rand M & Nally College Publishing Company, 1972
Buku Teks
Smith, George Horsley, author
McGraw-Hill, 1954
Buku Teks