APA aipamena

Hembest, H. C. e. N., & al], i. D. B. [. (1984). Astronomia. Verbo.

Chicago Style aipamena

Hembest, Heather Couper e Nigel, and il. Denis Bishop... [et al]. Astronomia. Verbo, 1984.

MLA aipamena

Hembest, Heather Couper e Nigel, and il. Denis Bishop... [et al]. Astronomia. Verbo, 1984.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.