Tohutoro APA (7th ed.)

Johnson, D. W. (1991). Empowering lay volunteers. Abingdon.

Tohutoru Kātū Chicago (17th ed.)

Johnson, Douglas W. Empowering Lay Volunteers. Nashville: Abingdon, 1991.

Tohutoro MLA (9th ed.)

Johnson, Douglas W. Empowering Lay Volunteers. Abingdon, 1991.