Cita APA (7th ed.)
Bell, A. P. (1981). 2: Statistical appendix. Indiana University press.
Cita Chicago (17th ed.)
Bell, Alan P. 2: Statistical Appendix. Bloomington: Indiana University press, 1981.
Cita MLA (9th ed.)
Bell, Alan P. 2: Statistical Appendix. Indiana University press, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.