Παραπομπή σε μορφή APA (7η εκδ.)

CRAWFORD, R. (1991). In the era of human capital: The emergence of talent ,intelligence, and knowledge as.. Harper Business.

Παραπομπή σε μορφή Chicago (17η εκδ.)

CRAWFORD, Richard. In the Era of Human Capital: The Emergence of Talent ,intelligence, and Knowledge as.. New York: Harper Business, 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

CRAWFORD, Richard. In the Era of Human Capital: The Emergence of Talent ,intelligence, and Knowledge as.. Harper Business, 1991.