APA-viite

Townsend, C. (1989). Mastering dbase IV programming. BPB Publications.

Chicago-tyylinen lähdeviittaus

Townsend, Carl. Mastering Dbase IV Programming. New Delhi: BPB Publications, 1989.

MLA-viite

Townsend, Carl. Mastering Dbase IV Programming. BPB Publications, 1989.