APA (7 ম সংস্করণ) উদ্ধৃতি

Card, D. E., & DiNardo, J. E. (2002). Skill biased technological change and rising wage inequality: Some problems and puzzles. National Bureau of Economic Research.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Card, David E., এবং John E. DiNardo. Skill Biased Technological Change and Rising Wage Inequality: Some Problems and Puzzles. Cambridge, Mass: National Bureau of Economic Research, 2002.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Card, David E., এবং John E. DiNardo. Skill Biased Technological Change and Rising Wage Inequality: Some Problems and Puzzles. National Bureau of Economic Research, 2002.