Cita APA (7th ed.)

Sgro, P. M. (1980). Wage differentials and economic growth. Croom Helm.

Cita Chicago (17th ed.)

Sgro, Pasquale M. Wage Differentials and Economic Growth. London: Croom Helm, 1980.

Cita MLA (9th ed.)

Sgro, Pasquale M. Wage Differentials and Economic Growth. Croom Helm, 1980.