Dyfyniad APA

Okun, B., & Richardson, R. W. (1961). Studies in economic development. Holt, Rinehart and Winston.

Dyfyniad Arddull Chicago

Okun, Bernard, and Richard W. Richardson. Studies in Economic Development. New York: Holt, Rinehart and Winston, 1961.

Dyfyniad MLA

Okun, Bernard, and Richard W. Richardson. Studies in Economic Development. Holt, Rinehart and Winston, 1961.

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