International Trade Centre/Philippine Trade Training Center. (2000). Trade secrets: The export answer for small and mediun-sized exporters - Philippines. PTTC.
芝加哥风格引文International Trade Centre/Philippine Trade Training Center. Trade Secrets: The Export Answer for Small and Mediun-sized Exporters - Philippines. Geneva : ITC; Manila: PTTC, 2000.
MLA引文International Trade Centre/Philippine Trade Training Center. Trade Secrets: The Export Answer for Small and Mediun-sized Exporters - Philippines. PTTC, 2000.
警告：这些引文格式不一定是100％准确.