Dyfyniad APA

MATTEONI, L. [. a. (1984). Winterfall: The keytext program. The Economy Company.

Dyfyniad Arddull Chicago

MATTEONI, Louise [et al]. Winterfall: The Keytext Program. Oklahoma City: The Economy Company, 1984.

Dyfyniad MLA

MATTEONI, Louise [et al]. Winterfall: The Keytext Program. The Economy Company, 1984.

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