Dyfyniad APA

Schiller, B. R. (1997). The economy today. Irwin/McGraw-Hill.

Dyfyniad Arddull Chicago

Schiller, Bradley R. The Economy Today. Irwin/McGraw-Hill, 1997.

Dyfyniad MLA

Schiller, Bradley R. The Economy Today. Irwin/McGraw-Hill, 1997.

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