Dyfyniad APA

Jacobson, W. H. (1993). The art and science of teaching orientation and mobility to persons with visual impairments. New York: AFB.

Dyfyniad Arddull Chicago

Jacobson, William H. The Art and Science of Teaching Orientation and Mobility to Persons With Visual Impairments. New York: AFB, 1993.

Dyfyniad MLA

Jacobson, William H. The Art and Science of Teaching Orientation and Mobility to Persons With Visual Impairments. New York: AFB, 1993.

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