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| 2. | 行政院主計處。國際貿易標準分類。行政院主計處。 延伸查詢 |
| 3. | U. S. Department of Commerce, Bureau of the Census。Highlights of U. S. Export and Import Trade。  |
| 4. | U. S. Department of Commerce, Bureau of the Census(1988)。Understanding and Using the HS-Based Schedule B。 |
| 5. | U. S. Department of Commerce, Bureau of Economic Analysis。U. S. Merchandise Trade-Exports and Imports 1965-76, Classified by BEA End-Use Commodity Categories。 |
| 6. | U. S. Department of Commerce, Bureau of Economic Analysis。Survey of Current Business。 |