May, J., Peto, R., Tinker, C., & Fletcher, C. (1973). A study of Hemophilus influenzae precipitins in the serum of working men in relation to smoking habits, bronchial infection, and airway obstruction.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMay, JR, R. Peto, C. Tinker, और C. Fletcher. A Study of Hemophilus Influenzae Precipitins in the Serum of Working Men in Relation to Smoking Habits, Bronchial Infection, and Airway Obstruction. 1973.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMay, JR, et al. A Study of Hemophilus Influenzae Precipitins in the Serum of Working Men in Relation to Smoking Habits, Bronchial Infection, and Airway Obstruction. 1973.
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