Morgan-Cole, T. (2007). When do we become immortal? Health & Home.
Chicago Style aipamenaMorgan-Cole, Trudy. "When Do We Become Immortal?" Health & Home 2007.
MLA aipamenaMorgan-Cole, Trudy. "When Do We Become Immortal?" Health & Home, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.