Dyfyniad APA

ebrary, Inc, Howells, R., & Matson, R. W. (2009). Using visual evidence. McGraw Hill/Open University Press.

Dyfyniad Arddull Chicago

ebrary, Inc, Richard Howells, and Robert W. Matson. Using Visual Evidence. Maidenhead, Berkshire ; New York: McGraw Hill/Open University Press, 2009.

Dyfyniad MLA

ebrary, Inc, et al. Using Visual Evidence. McGraw Hill/Open University Press, 2009.

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