APA aipamena

Welch, j. (2006). Winning: The Answers. harper Collins.

Chicago Style aipamena

Welch, jack. Winning: The Answers. New Delhi: harper Collins, 2006.

MLA aipamena

Welch, jack. Winning: The Answers. harper Collins, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.