Leeder, S. H. (1912). The desert gateway: Biskra and thereabouts. London: Cassell.
शिकागो स्टाइल उद्धरणLeeder, Simon Henry. The Desert Gateway: Biskra and Thereabouts. London: Cassell, 1912.
एमएलए उद्धरणLeeder, Simon Henry. The Desert Gateway: Biskra and Thereabouts. London: Cassell, 1912.
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