Gomes, L. (1978). international economics problems. the macmillan press ltd.
芝加哥风格引文Gomes, Leonard. International Economics Problems. london: the macmillan press ltd, 1978.
MLA引文Gomes, Leonard. International Economics Problems. the macmillan press ltd, 1978.
警告：这些引文格式不一定是100％准确.