APA-ийн эшлэл(7 дахь хэвлэлт)

DeWitt, D. A. (1980). Answering the tough ones: Common questions about christianity. Moody.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

DeWitt, David A. Answering the Tough Ones: Common Questions About Christianity. Chicago: Moody, 1980.

MLA -ийн эшлэл (9 дэх хэвлэлт)

DeWitt, David A. Answering the Tough Ones: Common Questions About Christianity. Moody, 1980.