APA (7th ed.) Zitazioa

Beard, D. C. New Ideas for American Boys; The Jack of All Trades.

Chicago Style (17th ed.) Zitazioa

Beard, Daniel Carter. New Ideas for American Boys; The Jack of All Trades.

MLA (9th ed.) Zitazioa

Beard, Daniel Carter. New Ideas for American Boys; The Jack of All Trades.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.