Cita APA

Pullum, T. W. (1972). A comparison of recent Philippine fertility with the natural fertility model. Population Institute, University of the Philippines].

Citación estilo Chicago

Pullum, Thomas W. A Comparison of Recent Philippine Fertility with the Natural Fertility Model. [Manila: Population Institute, University of the Philippines], 1972.

Cita MLA

Pullum, Thomas W. A Comparison of Recent Philippine Fertility with the Natural Fertility Model. Population Institute, University of the Philippines], 1972.