Παραπομπή σε μορφή APA (7η εκδ.)

Wadell, P. J. (2012). Happiness and the Christian moral life: An introduction to Christian ethics (2nd ed.). Rowman & Littlefield Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Wadell, Paul J. Happiness and the Christian Moral Life: An Introduction to Christian Ethics. 2nd ed. Lanham, Md.: Rowman & Littlefield Publishers, 2012.

Παραπομπή σε μορφή MLA (9th εκδ.)

Wadell, Paul J. Happiness and the Christian Moral Life: An Introduction to Christian Ethics. 2nd ed. Rowman & Littlefield Publishers, 2012.