APA引文

(2001). Contracting for public services: Output-based aid and its applications. Washington DC: World Bank.

Trích dẫn kiểu Chicago

Contracting for Public Services: Output-based Aid and Its Applications. Washington DC: World Bank, 2001.

MLA引文

Contracting for Public Services: Output-based Aid and Its Applications. Washington DC: World Bank, 2001.

警告：這些引文格式不一定是100％准確.