Needham, D. C. (1979). Birthright: Christian, do you know who you are? Multnomah.
Lua i Stíl Chicago (17ú heag.)Needham, David C. Birthright: Christian, Do You Know Who You Are? Oregon: Multnomah, 1979.
Lua MLA (9ú heag.)Needham, David C. Birthright: Christian, Do You Know Who You Are? Multnomah, 1979.
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