APA-viite

Ritchie,, C. (1998). Operating Systems: Incorporating UNIX & Windows (3rd.). BPB Publications.

Chicago-tyylinen lähdeviittaus

Ritchie,, Colin. Operating Systems: Incorporating UNIX & Windows. 3rd. New Delhi: BPB Publications, 1998.

MLA-viite

Ritchie,, Colin. Operating Systems: Incorporating UNIX & Windows. 3rd. BPB Publications, 1998.