Dyfyniad APA

Institute For Scientific Co-operation. (1980). Economics. Laupp & Gobel, Tubingen.

Dyfyniad Arddull Chicago

Institute For Scientific Co-operation. Economics. Federal Republic of Germany: Laupp & Gobel, Tubingen, 1980.

Dyfyniad MLA

Institute For Scientific Co-operation. Economics. Laupp & Gobel, Tubingen, 1980.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.