Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.