Não informado. (1959). Czechoslovak economic papers. Ceskoslovenska Akademie of Sciences.
Chicago (17e ed.) BronvermeldingNão informado. Czechoslovak Economic Papers. Prague: Ceskoslovenska Akademie of Sciences, 1959.
MLA (8e ed.) BronvermeldingNão informado. Czechoslovak Economic Papers. Ceskoslovenska Akademie of Sciences, 1959.
Let op: Deze citaties zijn niet altijd 100% accuraat.