Dyfyniad APA

Correa, H. (1963). The economics of human resources. Amsterdam: North-Holland Publishing Company.

Dyfyniad Arddull Chicago

Correa, H. The Economics of Human Resources. Amsterdam: North-Holland Publishing Company, 1963.

Dyfyniad MLA

Correa, H. The Economics of Human Resources. Amsterdam: North-Holland Publishing Company, 1963.

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