Cohen, L. (1954). Statistical methods for social scientists: An introduction. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Cohen, Lillian. Statistical Methods for Social Scientists: An Introduction. New York: Prentice-Hall, 1954.
Lua MLA (9ú heag.)Cohen, Lillian. Statistical Methods for Social Scientists: An Introduction. Prentice-Hall, 1954.