Wissenschaften, I. f. G. d. A. Publications of the Institute for the History of Arabic-Islamic Science : Islamic geography. Frankfurt am Main.
शिकागो स्टाइल उद्धरणWissenschaften, Institut für Geschichte der Arabisch-Islamischen. Publications of the Institute for the History of Arabic-Islamic Science : Islamic Geography. Frankfurt am Main.
एमएलए उद्धरणWissenschaften, Institut für Geschichte der Arabisch-Islamischen. Publications of the Institute for the History of Arabic-Islamic Science : Islamic Geography. Frankfurt am Main.
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