Dyfyniad APA

(1996). The 20th-century art book (1999 ed.). Phaidon Press.

Dyfyniad Arddull Chicago

The 20th-century Art Book. 1999 ed. London: Phaidon Press, 1996.

Dyfyniad MLA

The 20th-century Art Book. 1999 ed. Phaidon Press, 1996.

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