Thorén, K., Järvholm, B., & Morgan, U. (1989). Mortality from asthma and chronic obstructive pulmonary disease among workers in a soft paper mill: A case-referent study. Br J Ind Med.
استشهاد بنمط شيكاغوThorén, K., B. Järvholm, و U. Morgan. "Mortality From Asthma and Chronic Obstructive Pulmonary Disease Among Workers in a Soft Paper Mill: A Case-referent Study." Br J Ind Med 1989.
MLA استشهادThorén, K., B. Järvholm, و U. Morgan. "Mortality From Asthma and Chronic Obstructive Pulmonary Disease Among Workers in a Soft Paper Mill: A Case-referent Study." Br J Ind Med 1989.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.