APA aipamena

Goldsmith Donald, & Owen Tobias. (2002). The Search for Life in the Universe. American: University Science Books.

Chicago Style aipamena

Goldsmith Donald, và Owen Tobias. The Search for Life in the Universe. American: University Science Books, 2002.

MLA aipamena

Goldsmith Donald, và Owen Tobias. The Search for Life in the Universe. American: University Science Books, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.