National Gallery of Art (Estados Unidos). (1989). Retaining the original: Multiple originals, copies, and reproductions. National Gallery of Art ; University press of New England.
Chicago Style (17th ed.) CitationNational Gallery of Art (Estados Unidos). Retaining the Original: Multiple Originals, Copies, and Reproductions. Washington, D.C. : Hanover [etc.]: National Gallery of Art ; University press of New England, 1989.
MLA (9th ed.) CitationNational Gallery of Art (Estados Unidos). Retaining the Original: Multiple Originals, Copies, and Reproductions. National Gallery of Art ; University press of New England, 1989.
Warning: These citations may not always be 100% accurate.
