APA aipamena

Hill,Napoleon. (2018). Success principles redicovered. Embassy Book.

Chicago Style aipamena

Hill,Napoleon. Success Principles Redicovered. Mumbai: Embassy Book, 2018.

MLA aipamena

Hill,Napoleon. Success Principles Redicovered. Embassy Book, 2018.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.