APA aipamena

Johnson, H. G. (1967). Economic policies towards less developed countries. George Allen and unwin.

Chicago Style aipamena

Johnson, Harry G. Economic Policies Towards Less Developed Countries. London: George Allen and unwin, 1967.

MLA aipamena

Johnson, Harry G. Economic Policies Towards Less Developed Countries. George Allen and unwin, 1967.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.