APA aipamena

Howell, J. B., & Waters, W. E. (1986). Respiratory symptoms and bronchial reactivity.

Chicago Style aipamena

Howell, J B., and W E. Waters. Respiratory Symptoms and Bronchial Reactivity. 1986.

MLA aipamena

Howell, J B., and W E. Waters. Respiratory Symptoms and Bronchial Reactivity. 1986.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.