Richards, C. (1963). Ceri Richards: June-July 1963 / [Marlborough New London Gallery].
Chicago-Zitierstil (17. Ausg.)Richards, Ceri. Ceri Richards: June-July 1963 / [Marlborough New London Gallery]. London, 1963.
MLA-Zitierstil (8. Ausg.)Richards, Ceri. Ceri Richards: June-July 1963 / [Marlborough New London Gallery]. 1963.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.