APA (7th ed.) Citation

Ahn, S. (1999). Technology upgrading with learning cost: A solution for two "productivity puzzles". OECD.

Chicago Style (17th ed.) Citation

Ahn, Sanghoon. Technology Upgrading with Learning Cost: A Solution for Two "Productivity Puzzles". Paris: OECD, 1999.

MLA (9th ed.) Citation

Ahn, Sanghoon. Technology Upgrading with Learning Cost: A Solution for Two "Productivity Puzzles". OECD, 1999.

Warning: These citations may not always be 100% accurate.