Sering, T. A. (1976). Population education knowledge of the elementary school teachers.
Cita Chicago Style (17a ed.)Sering, Tomasita Arreza. Population Education Knowledge of the Elementary School Teachers. 1976.
Cita MLA (9a ed.)Sering, Tomasita Arreza. Population Education Knowledge of the Elementary School Teachers. 1976.
Precaución: Estas citas no son 100% exactas.