Balog, P. (1976). Umayyad, ʿĀbbasid and Ṭūlūnid: Glass weights and vessel stamps. Numismatic studies.
Chicago Style (17th ed.) CitationBalog, Paul. "Umayyad, ʿĀbbasid and Ṭūlūnid: Glass Weights and Vessel Stamps." Numismatic Studies 1976.
MLA (8th ed.) CitationBalog, Paul. "Umayyad, ʿĀbbasid and Ṭūlūnid: Glass Weights and Vessel Stamps." Numismatic Studies, 1976.
Warning: These citations may not always be 100% accurate.