APA استشهاد

Johnson, H. G. (1958). International trade and economic growth. George allen & Unwin.

استشهاد بنمط شيكاغو

Johnson, Harry G. International Trade and Economic Growth. London: George allen & Unwin, 1958.

MLA استشهاد

Johnson, Harry G. International Trade and Economic Growth. George allen & Unwin, 1958.