Graham, E. M., & Krugman, P. R. (1990). Trade-related investment measures.
Chicago Style (17th ed.) CitationGraham, Edward M., and Paul R. Krugman. Trade-related Investment Measures. 1990.
MLA (9th ed.) CitationGraham, Edward M., and Paul R. Krugman. Trade-related Investment Measures. 1990.
Warning: These citations may not always be 100% accurate.