APA (7th ed.) Zitazioa
Trull, J. E. (1997). Walking in the way: An introduction to Christian ethics. Broadman & Holman Publishers.
Chicago Style (17th ed.) Zitazioa
Trull, Joe E. Walking in the Way: An Introduction to Christian Ethics. Nashville: Broadman & Holman Publishers, 1997.
MLA (9th ed.) Zitazioa
Trull, Joe E. Walking in the Way: An Introduction to Christian Ethics. Broadman & Holman Publishers, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.