Martin, P. (2007). Measuring Behaviour: An Introductory Guide (3rd ed.). Cambridge University Press.
Cita Chicago (17th ed.)Martin, Paul. Measuring Behaviour: An Introductory Guide. 3rd ed. New York: Cambridge University Press, 2007.
Cita MLA (9th ed.)Martin, Paul. Measuring Behaviour: An Introductory Guide. 3rd ed. Cambridge University Press, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.