Ewan, C. E. (1988). Teaching skills: A guide for teachers of health workers (3rd revision.). University of New South Wales, School of Medical Education ; World Health Organization, Regional Training Centre for Health Development.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ewan, Christine E. Teaching Skills: A Guide for Teachers of Health Workers. 3rd revision. Kensington, N.S.W. : Geneva: University of New South Wales, School of Medical Education ; World Health Organization, Regional Training Centre for Health Development, 1988.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ewan, Christine E. Teaching Skills: A Guide for Teachers of Health Workers. 3rd revision. University of New South Wales, School of Medical Education ; World Health Organization, Regional Training Centre for Health Development, 1988.