APA aipamena

Blacker, L. V. S. (1933). OXYGEN ON THE EVEREST FLIGHT.

Chicago Style aipamena

Blacker, L. V. S. OXYGEN ON THE EVEREST FLIGHT. 1933.

MLA aipamena

Blacker, L. V. S. OXYGEN ON THE EVEREST FLIGHT. 1933.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.