APA

Harbison J., . (1970). Status of the five year highway program. : Kentucky Highway Conference. 22. Lexington.

Chicago

Harbison JR, . 1970. Status of the five year highway program. : Kentucky Highway Conference. 22. Lexington.

Harvard

Harbison J., . (1970). Status of the five year highway program. : Kentucky Highway Conference. 22. Lexington.

MLA

Harbison JR, . Status of the five year highway program. : Kentucky Highway Conference. 22. Lexington. 1970.