McGrath, H. G., & Charles, M. E. (1971). Origin and refining of petroleum: A symposium co-sponsored by the Division of Petroleum Chemistry of the American Chemical Society and the Canadian Society for Chemical Engineering of the Chemical Institute of Canada at the ACS-CIC Joint Conference, Toronto, Canada, May 25-28, 1970. American Chemical Society.
Παραπομπή σε μορφή Chicago (17η εκδ.)McGrath, H. G., και M. E. Charles. Origin and Refining of Petroleum: A Symposium Co-sponsored by the Division of Petroleum Chemistry of the American Chemical Society and the Canadian Society for Chemical Engineering of the Chemical Institute of Canada at the ACS-CIC Joint Conference, Toronto, Canada, May 25-28, 1970. Washington: American Chemical Society, 1971.
Παραπομπή σε μορφή MLA (8th εκδ.)McGrath, H. G., και M. E. Charles. Origin and Refining of Petroleum: A Symposium Co-sponsored by the Division of Petroleum Chemistry of the American Chemical Society and the Canadian Society for Chemical Engineering of the Chemical Institute of Canada at the ACS-CIC Joint Conference, Toronto, Canada, May 25-28, 1970. American Chemical Society, 1971.
