Παραπομπή σε μορφή APA (7η εκδ.)

Orna, E. (1978). Thesaurus: Engineering Industry Training Board, Library and Information Services. Engineering Industry Training Board.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Orna, Elizabeth. Thesaurus: Engineering Industry Training Board, Library and Information Services. Watford [Hertfordshire]: Engineering Industry Training Board, 1978.

Παραπομπή σε μορφή MLA (8th εκδ.)

Orna, Elizabeth. Thesaurus: Engineering Industry Training Board, Library and Information Services. Engineering Industry Training Board, 1978.