APA-ийн эшлэл(7 дахь хэвлэлт)

Siewert, A. J., & Welliver, D. (1999). Directory of schools and professors of mission and evangelism in the USA and Canada, 1999-2001. Billy Graham Center.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Siewert, A. John, ба Dotsey Welliver. Directory of Schools and Professors of Mission and Evangelism in the USA and Canada, 1999-2001. Wheaton: Billy Graham Center, 1999.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Siewert, A. John, ба Dotsey Welliver. Directory of Schools and Professors of Mission and Evangelism in the USA and Canada, 1999-2001. Billy Graham Center, 1999.