Howell, J. B., & Waters, W. E. (1986). Respiratory symptoms and bronchial reactivity.
Chicago Style aipamenaHowell, J B., and W E. Waters. Respiratory Symptoms and Bronchial Reactivity. 1986.
MLA aipamenaHowell, J B., and W E. Waters. Respiratory Symptoms and Bronchial Reactivity. 1986.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.