APA (7e ed.) Bronvermelding

Não informado. Educators guide to free filmstrips. Educators Progress Service.

Chicago (17e ed.) Bronvermelding

Não informado. Educators Guide to Free Filmstrips. Randolph, Wis: Educators Progress Service.

MLA (8e ed.) Bronvermelding

Não informado. Educators Guide to Free Filmstrips. Educators Progress Service.

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