Whitehead, G. (1983). Elements of international trade and payments. Woodhead-Faulkner.
Citazione stile Chigago Style (17a edizione)Whitehead, Geoffrey. Elements of International Trade and Payments. Cambridge [Cambridgeshire]: Woodhead-Faulkner, 1983.
Citatione MLA (9a ed.)Whitehead, Geoffrey. Elements of International Trade and Payments. Woodhead-Faulkner, 1983.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.