Cita APA (7th ed.)

Nakash, R., Hutton, J., Jørstad-Stein, E., Gates, S., & Lamb, S. (2006). Maximising response to postal questionnaires – A systematic review of randomised trials in health research. BioMed Central.

Cita Chicago (17th ed.)

Nakash, R., J. Hutton, E. Jørstad-Stein, S. Gates, i S. Lamb. Maximising Response to Postal Questionnaires – A Systematic Review of Randomised Trials in Health Research. BioMed Central, 2006.

Cita MLA (9th ed.)

Nakash, R., et al. Maximising Response to Postal Questionnaires – A Systematic Review of Randomised Trials in Health Research. BioMed Central, 2006.