APA (7e ed.) Bronvermelding

Não informado. (2011). New Letters. University of Missouri at Kansas City.

Chicago (17e ed.) Bronvermelding

Não informado. New Letters. Kansas City, Kan: University of Missouri at Kansas City, 2011.

MLA (8e ed.) Bronvermelding

Não informado. New Letters. University of Missouri at Kansas City, 2011.

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