Cita APA (7a ed.)
Perry, B. D. (1997). Disease control programs in developing countries: Prospects and constraints. Sydney University.
Cita Chicago Style (17a ed.)
Perry, Brian D. Disease Control Programs in Developing Countries: Prospects and Constraints. Sydney University, 1997.
Cita MLA (9a ed.)
Perry, Brian D. Disease Control Programs in Developing Countries: Prospects and Constraints. Sydney University, 1997.
Precaución: Estas citas no son 100% exactas.