APA (7e ed.) Bronvermelding

A. Ross, D., G. Smith, P., & H. Morrow, R. (2015). Chapter 1 Introduction to field trials of health interventions. Oxford University Press.

Chicago (17e ed.) Bronvermelding

A. Ross, David, Peter G. Smith, en Richard H. Morrow. Chapter 1 Introduction to Field Trials of Health Interventions. Oxford University Press, 2015.

MLA (9e ed.) Bronvermelding

A. Ross, David, et al. Chapter 1 Introduction to Field Trials of Health Interventions. Oxford University Press, 2015.