Παραπομπή σε μορφή APA (7η εκδ.)

(2004). Standard for information technology portable operating system interface (POSIX): Shell and utilities / sponsor, Portable Applications Standards Committee of the IEEE Computer Society and the Open Group. [electronic resource].

Παραπομπή σε μορφή Chicago (17η εκδ.)

Standard for Information Technology Portable Operating System Interface (POSIX): Shell and Utilities / Sponsor, Portable Applications Standards Committee of the IEEE Computer Society and the Open Group. [electronic Resource]. 2004.

Παραπομπή σε μορφή MLA (9th εκδ.)

Standard for Information Technology Portable Operating System Interface (POSIX): Shell and Utilities / Sponsor, Portable Applications Standards Committee of the IEEE Computer Society and the Open Group. [electronic Resource]. 2004.