APA aipamena

Ong, W. J. (1950). Spires on the Canterbury Cathedral in Canterbury, England.

Chicago Style aipamena

Ong, Walter J. Spires on the Canterbury Cathedral in Canterbury, England. 1950.

MLA aipamena

Ong, Walter J. Spires on the Canterbury Cathedral in Canterbury, England. 1950.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.