Etrog, S. (1969). Sorel Etrog: Recent sculpture : January 6-February 1, 1969 / Felix Landau Gallery. Felix Landau Gallery.
Chicago-Zitierstil (17. Ausg.)Etrog, Sorel. Sorel Etrog: Recent Sculpture : January 6-February 1, 1969 / Felix Landau Gallery. Los Angeles: Felix Landau Gallery, 1969.
MLA-Zitierstil (8. Ausg.)Etrog, Sorel. Sorel Etrog: Recent Sculpture : January 6-February 1, 1969 / Felix Landau Gallery. Felix Landau Gallery, 1969.
警告：这些引文格式不一定是100％准确.