APA

Mainland G. G., Lo H. Y., Esso, World Petroleum Congress (11th. : 1983 : London), Lo H. Y. & ESSO.Technological basis for commercial in situ recovery of cold lake bitumen. : .

Chicago

Mainland Glenn G, Lo Hing Y, Esso, World Petroleum Congress (11th. : 1983 : London), Lo Hing Y and ESSO.Technological basis for commercial in situ recovery of cold lake bitumen. : .

Harvard

Mainland G. G., Lo H. Y., Esso, World Petroleum Congress (11th. : 1983 : London), Lo H. Y. and ESSO.Technological basis for commercial in situ recovery of cold lake bitumen. : .

MLA

Mainland Glenn G, Lo Hing Y, Esso, World Petroleum Congress (11th. : 1983 : London), Lo Hing Y and ESSO.: . .