APA aipamena

Johnston, R. N., McNeill, R. S., Smith, D. H., Legge, J. S., & Fletcher, F. (1976). Chronic bronchitis--measurements and observations over 10 years.

Chicago Style aipamena

Johnston, R N., R S. McNeill, D H. Smith, J S. Legge, and F. Fletcher. Chronic Bronchitis--measurements and Observations Over 10 Years. 1976.

MLA aipamena

Johnston, R N., et al. Chronic Bronchitis--measurements and Observations Over 10 Years. 1976.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.