APA

Ledbetter W., Meyer A. & Ballard D. (1974). Evaluation of full-scale experimental concrete highway finishes. College Station, TX: Texas A&M University. Texas Transportation Institute. RR nr 141-4F.

Chicago

Ledbetter WB, Meyer AH and Ballard DE. 1974. Evaluation of full-scale experimental concrete highway finishes. College Station, TX: Texas A&M University. Texas Transportation Institute. RR nr 141-4F.

Harvard

Ledbetter W., Meyer A. and Ballard D. (1974). Evaluation of full-scale experimental concrete highway finishes. College Station, TX: Texas A&M University. Texas Transportation Institute. RR nr 141-4F.

MLA

Ledbetter WB, Meyer AH and Ballard DE. Evaluation of full-scale experimental concrete highway finishes. College Station, TX: Texas A&M University. Texas Transportation Institute. RR nr 141-4F. 1974.