Não informado. (1959). Czechoslovak economic papers. Ceskoslovenska Akademie of Sciences.
Chicagoスタイル(17版)引用形式Não informado. Czechoslovak Economic Papers. Prague: Ceskoslovenska Akademie of Sciences, 1959.
MLA(8版)引用形式Não informado. Czechoslovak Economic Papers. Ceskoslovenska Akademie of Sciences, 1959.
警告: この引用は必ずしも正確ではありません.