Shields, K. (1991). Paintings from Left Field: Frederick Hammersley. Art in America.
Chicago-Zitierstil (17. Ausg.)Shields, Kathleen. "Paintings from Left Field: Frederick Hammersley." Art in America 1991.
MLA-Zitierstil (8. Ausg.)Shields, Kathleen. "Paintings from Left Field: Frederick Hammersley." Art in America, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.