APA aipamena

SALVADORI, M. Building The Fights Against Gravity. s.n.

Chicago Style aipamena

SALVADORI, Mario. Building The Fights Against Gravity. s.n.

MLA aipamena

SALVADORI, Mario. Building The Fights Against Gravity. s.n.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.