APA aipamena

Hill, N. (2007). Think and grow Rich Napoleon Hill. Ramala Books.

Chicago Style aipamena

Hill, Napoleon. Think and Grow Rich Napoleon Hill. Ramala Books, 2007.

MLA aipamena

Hill, Napoleon. Think and Grow Rich Napoleon Hill. Ramala Books, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.