APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.