Sering, T. A. (1976). Population education knowledge of the elementary school teachers.
Citazione stile Chigago Style (17a edizione)Sering, Tomasita Arreza. Population Education Knowledge of the Elementary School Teachers. 1976.
Citatione MLA (9a ed.)Sering, Tomasita Arreza. Population Education Knowledge of the Elementary School Teachers. 1976.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.