APA-ийн эшлэл(7 дахь хэвлэлт)

COOK, C., & KILLINGRAY, D. (1991). African political facts since 1945. Facts on File.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

COOK, Chris, ба David KILLINGRAY. African Political Facts Since 1945. New York: Facts on File, 1991.

MLA -ийн эшлэл (9 дэх хэвлэлт)

COOK, Chris, ба David KILLINGRAY. African Political Facts Since 1945. Facts on File, 1991.