de Bruin, A., Nossikov, A., & Picavet, H. S. J. (1996). Health interview surveys: Towards international harmonization of methods and instruments. World Health Organization, Regional Office for Europe.
Lua i Stíl Chicago (17ú heag.)de Bruin, A., A. Nossikov, agus H. S. J. Picavet. Health Interview Surveys: Towards International Harmonization of Methods and Instruments. Copenhagen: World Health Organization, Regional Office for Europe, 1996.
Lua MLA (9ú heag.)de Bruin, A., et al. Health Interview Surveys: Towards International Harmonization of Methods and Instruments. World Health Organization, Regional Office for Europe, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.