Grenfell, D. The Angolan papers of David Grenfell. University of York, Photographic Dept..
Chicago Style (17th ed.) CitationGrenfell, David. The Angolan Papers of David Grenfell. [York, England]: University of York, Photographic Dept..
MLA引文Grenfell, David. The Angolan Papers of David Grenfell. University of York, Photographic Dept..
警告:這些引文格式不一定是100%准確.