Não informado. (1982). Office Technology and People. Elsevier Science Publishers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Office Technology and People. Essex, Inglaterra: Elsevier Science Publishers, 1982.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Office Technology and People. Elsevier Science Publishers, 1982.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.