APA (7e ed.) Bronvermelding

SALES, R. [. (1978). Children's britannica 4: Bulbs - chub. Encyclopaedia Britannica International.

Chicago (17e ed.) Bronvermelding

SALES, Robin [Ed.]. Children's Britannica 4: Bulbs - Chub. London: Encyclopaedia Britannica International, 1978.

MLA (9e ed.) Bronvermelding

SALES, Robin [Ed.]. Children's Britannica 4: Bulbs - Chub. Encyclopaedia Britannica International, 1978.

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