APA (7th ed.) Zitazioa
Covell, R. (1990). Mission impossible: The unreached Nosu on China's Frontier. Hope Publishing House.
Chicago Style (17th ed.) Zitazioa
Covell, Ralph. Mission Impossible: The Unreached Nosu on China's Frontier. California: Hope Publishing House, 1990.
MLA (9th ed.) Zitazioa
Covell, Ralph. Mission Impossible: The Unreached Nosu on China's Frontier. Hope Publishing House, 1990.
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