National Nutrition Education Clearing House (U.S.). (1978). Preschool nutrition education monograph. Society for Nutrition Education, National Nutrition Education Clearing House.
Cita Chicago (17th ed.)National Nutrition Education Clearing House (U.S.). Preschool Nutrition Education Monograph. Berkeley, Calif.: Society for Nutrition Education, National Nutrition Education Clearing House, 1978.
Cita MLA (8th ed.)National Nutrition Education Clearing House (U.S.). Preschool Nutrition Education Monograph. Society for Nutrition Education, National Nutrition Education Clearing House, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.