APA (7th ed.) Zitazioa
Natiello, P., & Seeman, J. The Person-Centred Approach: A Passionate Presence. PCCS Books.
Chicago Style (17th ed.) Zitazioa
Natiello, Peggy, eta Julius Seeman. The Person-Centred Approach: A Passionate Presence. Ross-on-Wye, Inglaterra: PCCS Books.
MLA (9th ed.) Zitazioa
Natiello, Peggy, eta Julius Seeman. The Person-Centred Approach: A Passionate Presence. PCCS Books.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.