APA استشهاد

Todaro,Michael P. (1977). Economics for a developing world: An introduction to principles,problems and policies for development (2.). Longman.

استشهاد بنمط شيكاغو

Todaro,Michael P. Economics for a Developing World: An Introduction to Principles,problems and Policies for Development. 2. London: Longman, 1977.

MLA استشهاد

Todaro,Michael P. Economics for a Developing World: An Introduction to Principles,problems and Policies for Development. 2. Longman, 1977.