APA aipamena

Spitz, A., & Gaynor, F. (1959). Dictionary of astronomy and astronautics.

Chicago Style aipamena

Spitz, Armand, and Frank Gaynor. Dictionary of Astronomy and Astronautics. 1959.

MLA aipamena

Spitz, Armand, and Frank Gaynor. Dictionary of Astronomy and Astronautics. 1959.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.