APA (7th ed.) Zitazioa

(1990). X Window system toolkit: The complete programmer's guide and specification / Paul J. Asente, Ralph R. Swick, with Joel McCormack.

Chicago Style (17th ed.) Zitazioa

X Window System Toolkit: The Complete Programmer's Guide and Specification / Paul J. Asente, Ralph R. Swick, with Joel McCormack. 1990.

MLA (9th ed.) Zitazioa

X Window System Toolkit: The Complete Programmer's Guide and Specification / Paul J. Asente, Ralph R. Swick, with Joel McCormack. 1990.