Dyfyniad APA

Underwood, R. T. (1995). Road engineering practice. South Melbourne: Macmillan Education Australia.

Dyfyniad Arddull Chicago

Underwood, R. T. Road Engineering Practice. South Melbourne: Macmillan Education Australia, 1995.

Dyfyniad MLA

Underwood, R. T. Road Engineering Practice. South Melbourne: Macmillan Education Australia, 1995.

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