Dyfyniad APA

(2007). Collision test. Clifton Park, N.Y: Thomson Delmar Learning.

Dyfyniad Arddull Chicago

Collision Test. Clifton Park, N.Y: Thomson Delmar Learning, 2007.

Dyfyniad MLA

Collision Test. Clifton Park, N.Y: Thomson Delmar Learning, 2007.

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