APA-viite (7. p.)

Sering, T. A. (1976). Population education knowledge of the elementary school teachers.

Chicago-viite (17. p.)

Sering, Tomasita Arreza. Population Education Knowledge of the Elementary School Teachers. 1976.

MLA-viite (9. p.)

Sering, Tomasita Arreza. Population Education Knowledge of the Elementary School Teachers. 1976.

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