Philippines (Republic). Department of Agriculture and Natural Resources. Yearbook. 1st-. [s.n.].
Chicago (17e ed.) BronvermeldingPhilippines (Republic). Department of Agriculture and Natural Resources. Yearbook. 1st-. Manila: [s.n.].
MLA (9e ed.) BronvermeldingPhilippines (Republic). Department of Agriculture and Natural Resources. Yearbook. 1st-. [s.n.].
Let op: Deze citaties zijn niet altijd 100% accuraat.