Παραπομπή APA

Yoder, P. J., Lloyd, B., & Symons, F. J. Observational measurement of behavior (Second Edition.). : Brookes.

Παραπομπή Chicago Style

Yoder, Paul Jordan, Blair Lloyd, και Frank James Symons. Observational Measurement of Behavior. Second Edition. USA: : Brookes.

Παραπομπή MLA

Yoder, Paul Jordan, et al. Observational Measurement of Behavior. Second Edition. : Brookes.