Dyfyniad APA

Sprague, E., & Sprague, C. (1926). How to design greeting cards. Bridgman.

Dyfyniad Arddull Chicago

Sprague, Elizabeth, and Curtiss Sprague. How to Design Greeting Cards. Pelham, N.Y: Bridgman, 1926.

Dyfyniad MLA

Sprague, Elizabeth, and Curtiss Sprague. How to Design Greeting Cards. Bridgman, 1926.

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