APA (7th ed.) Zitazioa
The three-body problem Earth - moon-spaceship.
Chicago Style (17th ed.) Zitazioa
The Three-body Problem Earth - Moon-spaceship.
MLA (9th ed.) Zitazioa
The Three-body Problem Earth - Moon-spaceship.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.