Wheatley, G. M., & Hallock, G. T. (1951). Health observation of school children: A guide for helping teachers and others to observe and understand the school child in health and illness (1. ed., 2. impr.). McGraw-Hill.
Chicago-Zitierstil (17. Ausg.)Wheatley, George Millholland, und Grace T. Hallock. Health Observation of School Children: A Guide for Helping Teachers and Others to Observe and Understand the School Child in Health and Illness. 1. ed., 2. impr. New York [u.a.]: McGraw-Hill, 1951.
MLA-Zitierstil (9. Ausg.)Wheatley, George Millholland, und Grace T. Hallock. Health Observation of School Children: A Guide for Helping Teachers and Others to Observe and Understand the School Child in Health and Illness. 1. ed., 2. impr. McGraw-Hill, 1951.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.