APA-ийн эшлэл(7 дахь хэвлэлт)

Keck, L. E. (1988). Paul and his letters (2nd.ed.). Fortress.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Keck, Leander E. Paul and His Letters. 2nd.ed. Philadelphia: Fortress, 1988.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Keck, Leander E. Paul and His Letters. 2nd.ed. Fortress, 1988.