Cotes, J. E., Douglas-Jones, A. G., & Saunders, M. J. (1969). A 60% oxygen supply for medical use.
Chicago Style aipamenaCotes, J. E., A. G. Douglas-Jones, and M. J. Saunders. A 60% Oxygen Supply for Medical Use. 1969.
MLA aipamenaCotes, J. E., A. G. Douglas-Jones, and M. J. Saunders. A 60% Oxygen Supply for Medical Use. 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.