Herzon, F. D., & Hopper, M. (1976). Introduction to statistics for the social sciences. Thomas Y. Crowell.
Lua i Stíl Chicago (17ú heag.)Herzon, Frederick D., agus Michael Hopper. Introduction to Statistics for the Social Sciences. New York: Thomas Y. Crowell, 1976.
Lua MLA (9ú heag.)Herzon, Frederick D., agus Michael Hopper. Introduction to Statistics for the Social Sciences. Thomas Y. Crowell, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.