Tohutoro APA (7th ed.)

Ludwig, G. E. (1979). Building an effective youth ministry. Abingdon.

Tohutoru Kātū Chicago (17th ed.)

Ludwig, Glenn E. Building an Effective Youth Ministry. Nashville: Abingdon, 1979.

Tohutoro MLA (9th ed.)

Ludwig, Glenn E. Building an Effective Youth Ministry. Abingdon, 1979.