*Scott Anguish, Erik M. Buck, Donald A. Yacktman: "Cocoa Programming", Sams, 1st Edition 2002, Paperback, ISBN 0-672-32230-7.
* Scott Anguish, Erik M. Buck, Donald A. Yacktman: Cocoa Programming, Sams, 1st Edition 2002, Paperback, ISBN 0-672-32230-7.