Williams, J. A. (1984). Strategy of service: Touching the hurting & the needy of your community. Zondervan.
Chicago Style (17th ed.) ZitazioaWilliams, June A. Strategy of Service: Touching the Hurting & the Needy of Your Community. Grand Rapids: Zondervan, 1984.
MLA (9th ed.) ZitazioaWilliams, June A. Strategy of Service: Touching the Hurting & the Needy of Your Community. Zondervan, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.