Dyfyniad APA

Sichel, W. (1977). Basic economic concepts: Microeconomics. Chicago: Rand McNally College Publishing Company.

Dyfyniad Arddull Chicago

Sichel, Werner. Basic Economic Concepts: Microeconomics. Chicago: Rand McNally College Publishing Company, 1977.

Dyfyniad MLA

Sichel, Werner. Basic Economic Concepts: Microeconomics. Chicago: Rand McNally College Publishing Company, 1977.

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