Stafford, B. M. (2007). Echo objects: The cognitive work of images. Chicago, Ill. [u.a.]: University of Chicago Press.
Dyfyniad Arddull ChicagoStafford, Barbara Maria. Echo Objects: The Cognitive Work of Images. Chicago, Ill. [u.a.]: University of Chicago Press, 2007.
Dyfyniad MLAStafford, Barbara Maria. Echo Objects: The Cognitive Work of Images. Chicago, Ill. [u.a.]: University of Chicago Press, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.