APA (7 वां संस्करण) प्रशस्ति पत्र
Williams, A. (2009). Contemporary issues shaping China's civil aviation policy: Balancing international with domestic priorities. Ashgate.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Williams, Alan. Contemporary Issues Shaping China's Civil Aviation Policy: Balancing International with Domestic Priorities. Burlington, VT: Ashgate, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Williams, Alan. Contemporary Issues Shaping China's Civil Aviation Policy: Balancing International with Domestic Priorities. Ashgate, 2009.
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