Zetterström, O., Osterman, K., Machado, L., & Johansson, S. G. (1981). Another smoking hazard: Raised serum IgE concentration and increased risk of occupational allergy.
Chicago Style aipamenaZetterström, O., K. Osterman, L. Machado, and S G. Johansson. Another Smoking Hazard: Raised Serum IgE Concentration and Increased Risk of Occupational Allergy. 1981.
MLA aipamenaZetterström, O., K. Osterman, L. Machado, and S G. Johansson. Another Smoking Hazard: Raised Serum IgE Concentration and Increased Risk of Occupational Allergy. 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.