APA引文

HARRD, R. International Economics/ R.f. Harrd. Cambridge Univ. Press.

Chicago Style (17th ed.) Citation

HARRD, R.F. International Economics/ R.f. Harrd. Cambridge Univ. Press.

MLA引文

HARRD, R.F. International Economics/ R.f. Harrd. Cambridge Univ. Press.

警告：这些引文格式不一定是100％准确.