एपीए उद्धरण

Stafford, B. M. (2007). Echo objects: The cognitive work of images. Chicago, Ill. [u.a.]: University of Chicago Press.

शिकागो स्टाइल उद्धरण

Stafford, Barbara Maria. Echo Objects: The Cognitive Work of Images. Chicago, Ill. [u.a.]: University of Chicago Press, 2007.

एमएलए उद्धरण

Stafford, Barbara Maria. Echo Objects: The Cognitive Work of Images. Chicago, Ill. [u.a.]: University of Chicago Press, 2007.