APA引文

Gill, R. T. (1961). Economic development: Past and present.

Chicago Edition Citation

Gill, Richard T. Economic Development: Past and Present. Prentice-Hall Inc.,Eaglewood, 1961.

MLA引文

Gill, Richard T. Economic Development: Past and Present. 1961.

警告：這些引文格式不一定是100％准確.