APA aipamena

Howard, W. (1968). Nine roads to renewal. Woldbooks.

Chicago Style aipamena

Howard, Walden. Nine Roads to Renewal. Woldbooks, 1968.

MLA aipamena

Howard, Walden. Nine Roads to Renewal. Woldbooks, 1968.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.