Campbell, J. M., & Lindsey, A. J. (1956). Polycyclic Hydrocarbons Extracted from Tobacco: The Effect Upon Total Quantities found in Smoking. Nature Publishing Group.
استشهاد بنمط شيكاغوCampbell, J. M., و A. J. Lindsey. Polycyclic Hydrocarbons Extracted From Tobacco: The Effect Upon Total Quantities Found in Smoking. Nature Publishing Group, 1956.
MLA استشهادCampbell, J. M., و A. J. Lindsey. Polycyclic Hydrocarbons Extracted From Tobacco: The Effect Upon Total Quantities Found in Smoking. Nature Publishing Group, 1956.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.