APA

Moppin L., . (1970). Laboratory evaluation of joint sealing practices for types 1 and 2 paved shoulder. uo: Pennsylvania Department of Highways. Bureau of Materials, Testing and Research. Research report.

Chicago

Moppin LA,Jr, . 1970. Laboratory evaluation of joint sealing practices for types 1 and 2 paved shoulder. uo: Pennsylvania Department of Highways. Bureau of Materials, Testing and Research. Research report.

Harvard

Moppin L., . (1970). Laboratory evaluation of joint sealing practices for types 1 and 2 paved shoulder. uo: Pennsylvania Department of Highways. Bureau of Materials, Testing and Research. Research report.

MLA

Moppin LA,Jr, . Laboratory evaluation of joint sealing practices for types 1 and 2 paved shoulder. uo: Pennsylvania Department of Highways. Bureau of Materials, Testing and Research. Research report. 1970.