Iversen, M., & Pedersen, B. (1990). Relation between respiratory symptoms, type of farming, and lung function disorders in farmers.
استشهاد بنمط شيكاغوIversen, M., و B. Pedersen. Relation between Respiratory Symptoms, Type of Farming, and Lung Function Disorders in Farmers. 1990.
MLA استشهادIversen, M., و B. Pedersen. Relation between Respiratory Symptoms, Type of Farming, and Lung Function Disorders in Farmers. 1990.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.