Παραπομπή σε μορφή APA (7η εκδ.)

Gilly, D., & O'Reilly, T. (1990). The X Window System in a Nutshell: For Version 11 Release 4 of the X Window System. O' Reilly and Associates, Inc.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gilly, Daniel, και Tim O'Reilly. The X Window System in a Nutshell: For Version 11 Release 4 of the X Window System. Sebastopol CA: O' Reilly and Associates, Inc, 1990.

Παραπομπή σε μορφή MLA (8th εκδ.)

Gilly, Daniel, και Tim O'Reilly. The X Window System in a Nutshell: For Version 11 Release 4 of the X Window System. O' Reilly and Associates, Inc, 1990.