Engel, G. L. (1962). Psychological development in health and disease. Saunders.
Style de citation Chicago (17e éd.)Engel, George Libman. Psychological Development in Health and Disease. Philadelphia: Saunders, 1962.
Style de citation MLA (9e éd.)Engel, George Libman. Psychological Development in Health and Disease. Saunders, 1962.
Attention : ces citations peuvent ne pas être correctes à 100%.