Gill, E. (1929). Crucifix with Man Kneeling (Working Proof 2).
Čikaški stil citiranja (17. izdanje)Gill, Eric. Crucifix with Man Kneeling (Working Proof 2). 1929.
MLA način citiranja (8. izdanje)Gill, Eric. Crucifix with Man Kneeling (Working Proof 2). 1929.
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