APA-viite (7. p.)
Johnson, A. F., & Webber, R. E. (1989). What Christians believe: An overview of theology and its biblical and historical development. Zondervan.
Chicago-viite (17. p.)
Johnson, Alan F., ja Robert E. Webber. What Christians Believe: An Overview of Theology and Its Biblical and Historical Development. Grand Rapids: Zondervan, 1989.
MLA-viite (9. p.)
Johnson, Alan F., ja Robert E. Webber. What Christians Believe: An Overview of Theology and Its Biblical and Historical Development. Zondervan, 1989.
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