Dyfyniad APA

Gray, B., & Van Milligen, J. (1991). Tips on making greeting cards. Design Press.

Dyfyniad Arddull Chicago

Gray, Bill, and Jan Van Milligen. Tips on Making Greeting Cards. New York: Design Press, 1991.

Dyfyniad MLA

Gray, Bill, and Jan Van Milligen. Tips on Making Greeting Cards. Design Press, 1991.

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