Cita APA

Sanders, T. G. (1973). Population perception and policy in Costa Rica. Thomas G. Sanders. [U.S.A.]: American Universities Field Staff.

Citación estilo Chicago

Sanders, Thomas G. Population Perception and Policy in Costa Rica. Thomas G. Sanders. [U.S.A.]: American Universities Field Staff, 1973.

Cita MLA

Sanders, Thomas G. Population Perception and Policy in Costa Rica. Thomas G. Sanders. [U.S.A.]: American Universities Field Staff, 1973.