Dyfyniad APA

(1984). National Survey of Youth, 1972 Martin Gold. [electronic resource].

Dyfyniad Arddull Chicago

National Survey of Youth, 1972 Martin Gold. [electronic Resource]. 1984.

Dyfyniad MLA

National Survey of Youth, 1972 Martin Gold. [electronic Resource]. 1984.

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