APA

Scammell W., . (1974). International trade and payments. London: Macmillan.

Chicago

Scammell W.M, . 1974. International trade and payments. London: Macmillan.

Harvard

Scammell W., . (1974). International trade and payments. London: Macmillan.

MLA

Scammell W.M, . International trade and payments. London: Macmillan. 1974.