APA (7th ed.) Zitazioa
Murray, A. (1979). Key to the missionary problems. Christian Literature Crusade.
Chicago Style (17th ed.) Zitazioa
Murray, Andrew. Key to the Missionary Problems. Pennsylvania: Christian Literature Crusade, 1979.
MLA (9th ed.) Zitazioa
Murray, Andrew. Key to the Missionary Problems. Christian Literature Crusade, 1979.
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