Dyfyniad APA

McCullah, J., & Gray, D. H. (2005). Environmentally sensitive channel- and bank-protection measures. Transportation Research Board.

Dyfyniad Arddull Chicago

McCullah, John, and Donald H. Gray. Environmentally Sensitive Channel- and Bank-protection Measures. Washington, D.C: Transportation Research Board, 2005.

Dyfyniad MLA

McCullah, John, and Donald H. Gray. Environmentally Sensitive Channel- and Bank-protection Measures. Transportation Research Board, 2005.

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