APA (7e ed.) Bronvermelding

Levin, G., & Roberts, E. B. (1976). The dynamics of human service delivery. Ballinger Publishing Co.

Chicago (17e ed.) Bronvermelding

Levin, Gilbert, en Edward B. Roberts. The Dynamics of Human Service Delivery. Cambridge, Mass: Ballinger Publishing Co, 1976.

MLA (9e ed.) Bronvermelding

Levin, Gilbert, en Edward B. Roberts. The Dynamics of Human Service Delivery. Ballinger Publishing Co, 1976.