APA

George J., . (1976). Low pressure sodium lighting (LPS) for urban expressways and highways to save energy. : Roads and Transportation Ass. of Canada. Annual Conf.

Chicago

George JD, . 1976. Low pressure sodium lighting (LPS) for urban expressways and highways to save energy. : Roads and Transportation Ass. of Canada. Annual Conf.

Harvard

George J., . (1976). Low pressure sodium lighting (LPS) for urban expressways and highways to save energy. : Roads and Transportation Ass. of Canada. Annual Conf.

MLA

George JD, . Low pressure sodium lighting (LPS) for urban expressways and highways to save energy. : Roads and Transportation Ass. of Canada. Annual Conf. 1976.