Dyfyniad APA

Boulding, K. E. (1970). Economics as a science. Tata McGraw-Hill.

Dyfyniad Arddull Chicago

Boulding, Kenneth E. Economics as a Science. Bombay: Tata McGraw-Hill, 1970.

Dyfyniad MLA

Boulding, Kenneth E. Economics as a Science. Tata McGraw-Hill, 1970.

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