APA-Zitierstil (7. Ausg.)

Philippines (Republic) Bureau of Public Schools. (1957). Conservation of soil and water for the elementary schools. [s.n.].

Chicago-Zitierstil (17. Ausg.)

Philippines (Republic) Bureau of Public Schools. Conservation of Soil and Water for the Elementary Schools. Manila: [s.n.], 1957.

MLA-Zitierstil (9. Ausg.)

Philippines (Republic) Bureau of Public Schools. Conservation of Soil and Water for the Elementary Schools. [s.n.], 1957.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.