APA (7e ed.) Bronvermelding

Philippines (Republic). Industrial Development Center. (1956). Cotton: Cultivation, grading, and marketing. [s.n.

Chicago (17e ed.) Bronvermelding

Philippines (Republic). Industrial Development Center. Cotton: Cultivation, Grading, and Marketing. Manila: [s.n, 1956.

MLA (9e ed.) Bronvermelding

Philippines (Republic). Industrial Development Center. Cotton: Cultivation, Grading, and Marketing. [s.n, 1956.

Let op: Deze citaties zijn niet altijd 100% accuraat.