Dyfyniad APA

Greenwood, M. J. (1981). Migration and Economic Growth in the United States. ELSEVIER.

Dyfyniad Arddull Chicago

Greenwood, Michael J. Migration and Economic Growth in the United States. ELSEVIER, 1981.

Dyfyniad MLA

Greenwood, Michael J. Migration and Economic Growth in the United States. ELSEVIER, 1981.

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