APA (7e ed.) Bronvermelding

Fraenkel, P. (1986). Water lifting devices. Food and Agriculture Organization of the United Nations.

Chicago (17e ed.) Bronvermelding

Fraenkel, P.L. Water Lifting Devices. Rome: Food and Agriculture Organization of the United Nations, 1986.

MLA (9e ed.) Bronvermelding

Fraenkel, P.L. Water Lifting Devices. Food and Agriculture Organization of the United Nations, 1986.

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