Zakia, Richard D. Perception and imaging : photography a way of seeing / Richard D. Zakia - 4th ed. - Burlington, MA : Focal Press, 2013 - xx, 400 p. : col. ill., port. : 25 cm. Includes bibliographical references and index ISBN: 9780240824536 (paperback) Subjects--Topical Terms: Composition (Photography)Visual perceptionGestalt psychology