APA ציטוט

Heather Couper, N. H. (1984). Astronomia. Verbo.

Chicago Style (17th ed.) Citation

Heather Couper, Nigel Henbest. Astronomia. Verbo, 1984.

ציטוט MLA

Heather Couper, Nigel Henbest. Astronomia. Verbo, 1984.