APA (7e ed.) Bronvermelding

Não informado. Yale economic essays. Yale University.

Chicago (17e ed.) Bronvermelding

Não informado. Yale Economic Essays. New Haven, Conn: Yale University.

MLA (8e ed.) Bronvermelding

Não informado. Yale Economic Essays. Yale University.

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