APA-referens (7:e uppl.)

Johnson, D. W. (1978). The care and feeding of volunteers. Abingdon.

Chicago-referens (17:e uppl.)

Johnson, Douglas W. The Care and Feeding of Volunteers. Nashville: Abingdon, 1978.

MLA-referens (9:e uppl.)

Johnson, Douglas W. The Care and Feeding of Volunteers. Abingdon, 1978.