APA (7e ed.) Bronvermelding

Fretwell, D. (1993). Developing effective employment services. World Bank.

Chicago (17e ed.) Bronvermelding

Fretwell, David. Developing Effective Employment Services. Washington, D.C: World Bank, 1993.

MLA (9e ed.) Bronvermelding

Fretwell, David. Developing Effective Employment Services. World Bank, 1993.