APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.