APA (7e ed.) Bronvermelding

Não informado. (2015). News Letter. National Coffee Association.

Chicago (17e ed.) Bronvermelding

Não informado. News Letter. New York: National Coffee Association, 2015.

MLA (8e ed.) Bronvermelding

Não informado. News Letter. National Coffee Association, 2015.

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