American Chemical Society. Division of Fuel Chemistry, Symposium on Fuel from Wastes, & Symposium on Coal Gasification. (1973). Symposium on Fuel from Wastes ; Symposium on Coal Gasification, part I: Presented before the Division of Fuel Chemistry, Americal Chemical Society, Dallas, Tex., April 8-12, 1973. ACS].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)American Chemical Society. Division of Fuel Chemistry, Symposium on Fuel from Wastes, و Symposium on Coal Gasification. Symposium on Fuel from Wastes ; Symposium on Coal Gasification, Part I: Presented Before the Division of Fuel Chemistry, Americal Chemical Society, Dallas, Tex., April 8-12, 1973. [Washington, D.C.: ACS], 1973.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)American Chemical Society. Division of Fuel Chemistry, et al. Symposium on Fuel from Wastes ; Symposium on Coal Gasification, Part I: Presented Before the Division of Fuel Chemistry, Americal Chemical Society, Dallas, Tex., April 8-12, 1973. ACS], 1973.