Παραπομπή σε μορφή APA (7η εκδ.)
Lewis, G. R. (1970). Decide for yourself :a theological workbook: For people who are tired of being told what to believe. Downers Grove.
Παραπομπή σε μορφή Chicago (17η εκδ.)
Lewis, Gordon R. Decide for Yourself :a Theological Workbook: For People Who Are Tired of Being Told What to Believe. Illinois: Downers Grove, 1970.
Παραπομπή σε μορφή MLA (9th εκδ.)
Lewis, Gordon R. Decide for Yourself :a Theological Workbook: For People Who Are Tired of Being Told What to Believe. Downers Grove, 1970.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.