Citazione Stile APA (7a Edizione)

Sirageldin, I. (1979). Research in human capital and development. JAI Press.

Citazione stile Chigago Style (17a edizione)

Sirageldin, Ismail. Research in Human Capital and Development. Greenwich, Conn: JAI Press, 1979.

Citatione MLA (9a ed.)

Sirageldin, Ismail. Research in Human Capital and Development. JAI Press, 1979.