Orna, E. (1978). Thesaurus: Engineering Industry Training Board, Library and Information Services. Engineering Industry Training Board.
Čikaški stil citiranja (17. izdanje)Orna, Elizabeth. Thesaurus: Engineering Industry Training Board, Library and Information Services. Watford [Hertfordshire]: Engineering Industry Training Board, 1978.
MLA način citiranja (8. izdanje)Orna, Elizabeth. Thesaurus: Engineering Industry Training Board, Library and Information Services. Engineering Industry Training Board, 1978.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.