Etrog, S. (1969). Sorel Etrog: Recent sculpture : January 6-February 1, 1969 / Felix Landau Gallery. Felix Landau Gallery.
Čikaški stil citiranja (17. izdanje)Etrog, Sorel. Sorel Etrog: Recent Sculpture : January 6-February 1, 1969 / Felix Landau Gallery. Los Angeles: Felix Landau Gallery, 1969.
MLA način citiranja (8. izdanje)Etrog, Sorel. Sorel Etrog: Recent Sculpture : January 6-February 1, 1969 / Felix Landau Gallery. Felix Landau Gallery, 1969.
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