APA-Zitierstil (7. Ausg.)

Williamson, J. (1989). Voluntary approaches to debt relief (Rev.). Inst. for Internat. Economics.

Chicago-Zitierstil (17. Ausg.)

Williamson, John. Voluntary Approaches to Debt Relief. Rev. Washington, DC: Inst. for Internat. Economics, 1989.

MLA-Zitierstil (9. Ausg.)

Williamson, John. Voluntary Approaches to Debt Relief. Rev. Inst. for Internat. Economics, 1989.