Philippines (Republic) Bureau of Lands. (1954). Handbook on Philippine land resources. Bureau of Lands.
Cita Chicago (17th ed.)Philippines (Republic) Bureau of Lands. Handbook on Philippine Land Resources. Manila: Bureau of Lands, 1954.
Cita MLA (9th ed.)Philippines (Republic) Bureau of Lands. Handbook on Philippine Land Resources. Bureau of Lands, 1954.
Atenció: Aquestes cites poden no estar 100% correctes.