APA (7 वां संस्करण) प्रशस्ति पत्र

Alden, J. B. Alden's Handy Atlas of the World Including One Hundred and Thirty-eight Colored Maps, Diagrams, Tables, Etc.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Alden, John B. Alden's Handy Atlas of the World Including One Hundred and Thirty-eight Colored Maps, Diagrams, Tables, Etc.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Alden, John B. Alden's Handy Atlas of the World Including One Hundred and Thirty-eight Colored Maps, Diagrams, Tables, Etc.

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