Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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