APA

Harting G., Roberts D., Waddey W., Exxon Research and Engineering Company, Esso, World Petroleum Congress (10th : 1979 sept. 9-14 : Bucharest), Roberts D., Waddey W., Exxon Research and Engineering Company & ESSO.New approaches to engine lubrication. : .

Chicago

Harting G.L, Roberts D.C, Waddey W.E, Exxon Research and Engineering Company, Esso, World Petroleum Congress (10th : 1979 sept. 9-14 : Bucharest), Roberts D.C, Waddey W.E, Exxon Research and Engineering Company and ESSO.New approaches to engine lubrication. : .

Harvard

Harting G., Roberts D., Waddey W., Exxon Research and Engineering Company, Esso, World Petroleum Congress (10th : 1979 sept. 9-14 : Bucharest), Roberts D., Waddey W., Exxon Research and Engineering Company and ESSO.New approaches to engine lubrication. : .

MLA

Harting G.L, Roberts D.C, Waddey W.E, Exxon Research and Engineering Company, Esso, World Petroleum Congress (10th : 1979 sept. 9-14 : Bucharest), Roberts D.C, Waddey W.E, Exxon Research and Engineering Company and ESSO.: . .