Cita APA (7th ed.)

Thomas, J. R., & Nelson, J. K. (2001). Research methods in physical activity (4th ed.). Human Kinetics.

Cita Chicago (17th ed.)

Thomas, Jerry R., i Jack K. Nelson. Research Methods in Physical Activity. 4th ed. Champaign, IL: Human Kinetics, 2001.

Cita MLA (8th ed.)

Thomas, Jerry R., i Jack K. Nelson. Research Methods in Physical Activity. 4th ed. Human Kinetics, 2001.