Cita APA (7th ed.)

PUGEL THOMAS A. (2007). INTERNATIONAL ECONOMICS (13TH.). MCGRAW HILL IRWIN.

Cita Chicago (17th ed.)

PUGEL THOMAS A. INTERNATIONAL ECONOMICS. 13TH. BOSTON: MCGRAW HILL IRWIN, 2007.

Cita MLA (9th ed.)

PUGEL THOMAS A. INTERNATIONAL ECONOMICS. 13TH. MCGRAW HILL IRWIN, 2007.