APA (7 वां संस्करण) प्रशस्ति पत्र
Spencer, H. (1956). Islam and the gospel of God: A comparison of the central doctrines of Christianity and Islam, prepared for the use of Christian workers among Muslims. I.S.P.C.K..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Spencer, Harold. Islam and the Gospel of God: A Comparison of the Central Doctrines of Christianity and Islam, Prepared for the Use of Christian Workers Among Muslims. Delhi: I.S.P.C.K., 1956.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Spencer, Harold. Islam and the Gospel of God: A Comparison of the Central Doctrines of Christianity and Islam, Prepared for the Use of Christian Workers Among Muslims. I.S.P.C.K., 1956.
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