Lua APA (7ú heag.)
Ekvall, R. B. (1938). Gateway to Tibet: The Kansu-Tibetan border. Christian Publications, inc.
Lua i Stíl Chicago (17ú heag.)
Ekvall, Robert B. Gateway to Tibet: The Kansu-Tibetan Border. Harrisburg, Pa.: Christian Publications, inc, 1938.
Lua MLA (9ú heag.)
Ekvall, Robert B. Gateway to Tibet: The Kansu-Tibetan Border. Christian Publications, inc, 1938.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.