Cita APA (7th ed.)

Ntoumanis, N. (2001). A step-by-step guide to SPSS for sport and exercise studies. Routledge.

Cita Chicago (17th ed.)

Ntoumanis, Nikos. A Step-by-step Guide to SPSS for Sport and Exercise Studies. London, New York: Routledge, 2001.

Cita MLA (9th ed.)

Ntoumanis, Nikos. A Step-by-step Guide to SPSS for Sport and Exercise Studies. Routledge, 2001.