Fretwell, D. (1993). Developing effective employment services. World Bank.
Chicagoスタイル(17版)引用形式Fretwell, David. Developing Effective Employment Services. Washington, D.C: World Bank, 1993.
MLA(9版)引用形式Fretwell, David. Developing Effective Employment Services. World Bank, 1993.
警告: この引用は必ずしも正確ではありません.