Institute For Scientific Co-operation. (1980). Economics. Laupp & Gobel, Tubingen.
Chicagoスタイル(17版)引用形式Institute For Scientific Co-operation. Economics. Federal Republic of Germany: Laupp & Gobel, Tubingen, 1980.
MLA(9版)引用形式Institute For Scientific Co-operation. Economics. Laupp & Gobel, Tubingen, 1980.
警告: この引用は必ずしも正確ではありません.