Rees Shan. (1991). Assertion training: How to be Who You Really Are. Tavistock Routeledge.
Chicago Style aipamenaRees Shan. Assertion Training: How to Be Who You Really Are. London: Tavistock Routeledge, 1991.
MLA aipamenaRees Shan. Assertion Training: How to Be Who You Really Are. Tavistock Routeledge, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.