Cita APA (7th ed.)
Kirk, R. E. (1984). Elementary statistics (2nd ed.). Brooks/Cole Pub. Co..
Cita Chicago (17th ed.)
Kirk, Roger E. Elementary Statistics. 2nd ed. Monterey, Calif.: Brooks/Cole Pub. Co., 1984.
Cita MLA (9th ed.)
Kirk, Roger E. Elementary Statistics. 2nd ed. Brooks/Cole Pub. Co., 1984.
Atenció: Aquestes cites poden no estar 100% correctes.