Dyfyniad APA

Peterson, D. E. (1987). Pavement management practices. Transportation Research Board, National Research Council.

Dyfyniad Arddull Chicago

Peterson, Dale E. Pavement Management Practices. Washington, D.C: Transportation Research Board, National Research Council, 1987.

Dyfyniad MLA

Peterson, Dale E. Pavement Management Practices. Transportation Research Board, National Research Council, 1987.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.