Axelrod, Michael I., author
Routledge, 2017
Buku Teks
edited by Anne Roe and George Gaylord Simpson
Yale University Press, 1961
Buku Teks
Powell, Russell A., 1950-, author
Wadsworth and Cengage Learning, 2013
Buku Teks
Powell, Russell A., 1950-, author
Cengage Learning, 2017
Buku Teks
Munn, Norman L., author
Houghton-Mifflin, 1955
Buku Teks