Não informado. (1990). Latin American Economy and Business. Latin American Newsletters.
Chicago (17e ed.) BronvermeldingNão informado. Latin American Economy and Business. London: Latin American Newsletters, 1990.
MLA (8e ed.) BronvermeldingNão informado. Latin American Economy and Business. Latin American Newsletters, 1990.
Let op: Deze citaties zijn niet altijd 100% accuraat.