Zettler, R. L. (1998). Treasures from the Royal Tombs of Ur: Ed. by Richard L. Zettler and Lee Horne. With essays by Richard L. Zettler.
Chicago-referens (17:e uppl.)Zettler, Richard L. Treasures from the Royal Tombs of Ur: Ed. by Richard L. Zettler and Lee Horne. With Essays by Richard L. Zettler. Pennsylvania, Philadelphia, 1998.
MLA-referens (8:e uppl.)Zettler, Richard L. Treasures from the Royal Tombs of Ur: Ed. by Richard L. Zettler and Lee Horne. With Essays by Richard L. Zettler. 1998.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.