Gaya APA

The Population Council annual report 1999. (1999). New York: Population Council.

Gaya Chicago

The Population Council annual report 1999. . New York: Population Council, 1999. .

Gaya MLA

The Population Council annual report 1999. . New York: Population Council, 1999. .

Gaya Turabian

The Population Council annual report 1999. New York: Population Council, 1999. .