Schein, E. H. (1998). Process consultation. Addison-wesley.
Chicago Style aipamenaSchein, Edgar H. Process Consultation. Massachusetti: Addison-wesley, 1998.
MLA aipamenaSchein, Edgar H. Process Consultation. Addison-wesley, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.