Dyfyniad APA

John G. Johnson Collection (Philadelphia, Pa.), Sweeny, B., & Marceau, H. (1966). Catalogue of Italian paintings. [s.n.].

Dyfyniad Arddull Chicago

John G. Johnson Collection (Philadelphia, Pa.), Barbara Sweeny, and Henri Marceau. Catalogue of Italian Paintings. Philadelphia: [s.n.], 1966.

Dyfyniad MLA

John G. Johnson Collection (Philadelphia, Pa.), et al. Catalogue of Italian Paintings. [s.n.], 1966.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.