APA Citatie

(1977). World Book Year Book: The annual Supplement to the workld book encyclopedia. Field Enterprise.

Chicago Style citaat

World Book Year Book: The Annual Supplement to the Workld Book Encyclopedia. Chicago: Field Enterprise, 1977.

MLA citatie

World Book Year Book: The Annual Supplement to the Workld Book Encyclopedia. Field Enterprise, 1977.

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