Tanzer, J. (1973). Ralph Albert Blakelock: 1849 - 1919 : march 3 - march 31, 1973 / text: Jack Tanzer. M. Knoedler & Co., Inc..
Chicago-Zitierstil (17. Ausg.)Tanzer, Jack. Ralph Albert Blakelock: 1849 - 1919 : March 3 - March 31, 1973 / Text: Jack Tanzer. New York, New York: M. Knoedler & Co., Inc., 1973.
MLA-Zitierstil (8. Ausg.)Tanzer, Jack. Ralph Albert Blakelock: 1849 - 1919 : March 3 - March 31, 1973 / Text: Jack Tanzer. M. Knoedler & Co., Inc., 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.