Não informado. (1964). Journal of the Institute of Health Education. Institute of Health Education.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Journal of the Institute of Health Education. Sheffield, Inglaterra: Institute of Health Education, 1964.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Journal of the Institute of Health Education. Institute of Health Education, 1964.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.