(1990). X toolkit intrinsics reference manual: For version 11 of the X window system. O'Reilly Associates, Inc.
Lua i Stíl Chicago (17ú heag.)X Toolkit Intrinsics Reference Manual: For Version 11 of the X Window System. Massachusetts: O'Reilly Associates, Inc, 1990.
Lua MLA (9ú heag.)X Toolkit Intrinsics Reference Manual: For Version 11 of the X Window System. O'Reilly Associates, Inc, 1990.
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