Philippines (Republic) Bureau of Lands. (1954). Handbook on Philippine land resources. Bureau of Lands.
Citazione stile Chigago Style (17a edizione)Philippines (Republic) Bureau of Lands. Handbook on Philippine Land Resources. Manila: Bureau of Lands, 1954.
Citatione MLA (9a ed.)Philippines (Republic) Bureau of Lands. Handbook on Philippine Land Resources. Bureau of Lands, 1954.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.