Schubnel, H. 1. a. (1971). Gems and jewels: Uncut stones and objects d'art. Londres : Orbis Books.
Chicago Style (17th ed.) CitationSchubnel, Henri-Jean 11955 autor. Gems and Jewels: Uncut Stones and Objects D'art. Londres : Orbis Books, 1971.
MLA (8th ed.) CitationSchubnel, Henri-Jean 11955 autor. Gems and Jewels: Uncut Stones and Objects D'art. Londres : Orbis Books, 1971.
Warning: These citations may not always be 100% accurate.