Παραπομπή APA

Johnson, H. G. (1971). Trade strategy for rich and poor nations. George Allen and Unwin.

Παραπομπή Chicago Style

Johnson, Harry G. Trade Strategy for Rich and Poor Nations. London: George Allen and Unwin, 1971.

Παραπομπή MLA

Johnson, Harry G. Trade Strategy for Rich and Poor Nations. George Allen and Unwin, 1971.