Dyfyniad APA

(ed.), T. b. (1973). Great Photographers. Time Life International.

Dyfyniad Arddull Chicago

(ed.), TIME-Life books. Great Photographers. Time Life International, 1973.

Dyfyniad MLA

(ed.), TIME-Life books. Great Photographers. Time Life International, 1973.

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