APA (7th ed.) Zitazioa
Webber, R. E. (1978). Common roots: A call to evangelical maturity. Zondervan pub. house.
Chicago Style (17th ed.) Zitazioa
Webber, Robert E. Common Roots: A Call to Evangelical Maturity. Michigan: Zondervan pub. house, 1978.
MLA (9th ed.) Zitazioa
Webber, Robert E. Common Roots: A Call to Evangelical Maturity. Zondervan pub. house, 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.