Παραπομπή σε μορφή APA (7η εκδ.)

(1997). Signposts of God's liberating kingdom: Perspectives for the 21st century. Potchefstroom University for christian higher education.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Signposts of God's Liberating Kingdom: Perspectives for the 21st Century. Potchefstroom: Potchefstroom University for christian higher education, 1997.

Παραπομπή σε μορφή MLA (9th εκδ.)

Signposts of God's Liberating Kingdom: Perspectives for the 21st Century. Potchefstroom University for christian higher education, 1997.