APA aipamena

Grenfell, D. The Angolan papers of David Grenfell. University of York, Photographic Dept..

Chicago Style aipamena

Grenfell, David. The Angolan Papers of David Grenfell. [York, England]: University of York, Photographic Dept..

MLA aipamena

Grenfell, David. The Angolan Papers of David Grenfell. University of York, Photographic Dept..

Kontuz: berrikusi erreferentzia hauek erabili aurretik.