Petrillo, M., & Sanger, S. (1972). Emotional care of hospitalized children: An environmental approach. Lippincott.
Chicago-viite (17. p.)Petrillo, Madeline, ja Sirgay Sanger. Emotional Care of Hospitalized Children: An Environmental Approach. Philadelphia: Lippincott, 1972.
MLA-viite (8. p.)Petrillo, Madeline, ja Sirgay Sanger. Emotional Care of Hospitalized Children: An Environmental Approach. Lippincott, 1972.
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