APA aipamena

Postgate, J. (1994). Outer reaches of life. 1994. CUP,Cambridge,.

Chicago Style aipamena

Postgate, John. Outer Reaches of Life. 1994. CUP,Cambridge,, 1994.

MLA aipamena

Postgate, John. Outer Reaches of Life. 1994. CUP,Cambridge,, 1994.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.