International Drip Irrigation Congress San Diego, Calif. (1974). Proceedings of the Second International Drip Irrigation Congress: San Diego, California, July 7-14, 1974. The Congress.
芝加哥风格引文International Drip Irrigation Congress San Diego, Calif. Proceedings of the Second International Drip Irrigation Congress: San Diego, California, July 7-14, 1974. Riverside, Calif.: The Congress, 1974.
MLA引文International Drip Irrigation Congress San Diego, Calif. Proceedings of the Second International Drip Irrigation Congress: San Diego, California, July 7-14, 1974. The Congress, 1974.
警告：这些引文格式不一定是100％准确.