Cita APA (7a ed.)

Fraile Balbín, P. (2004). The sectoral role of Spain's iron and steel industry, 1900-1950. UMI.

Cita Chicago Style (17a ed.)

Fraile Balbín, Pedro. The Sectoral Role of Spain's Iron and Steel Industry, 1900-1950. Ann Arbor: UMI, 2004.

Cita MLA (9a ed.)

Fraile Balbín, Pedro. The Sectoral Role of Spain's Iron and Steel Industry, 1900-1950. UMI, 2004.