Pask, E. A., & Christie, P. D. (1962). Design of Life-jackets.
Chicago Style aipamenaPask, E. A., and P. Denham Christie. Design of Life-jackets. 1962.
MLA aipamenaPask, E. A., and P. Denham Christie. Design of Life-jackets. 1962.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.