APA-čujuhus (7. p.)
Roberts, P. (1993). George Costakis: A Russian life in art. Carleton University Press.
Chicago-čujuhus (17. p.)
Roberts, Peter. George Costakis: A Russian Life in Art. Ottawa: Carleton University Press, 1993.
MLA-čujuhus (9. p.)
Roberts, Peter. George Costakis: A Russian Life in Art. Carleton University Press, 1993.
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