APA (7th ed.) Zitazioa
Fromm, G. (2014). Spirit that impels: Play, creativity, and psychoanalysis. Karnac.
Chicago Style (17th ed.) Zitazioa
Fromm, Gerard. Spirit That Impels: Play, Creativity, and Psychoanalysis. London: Karnac, 2014.
MLA (9th ed.) Zitazioa
Fromm, Gerard. Spirit That Impels: Play, Creativity, and Psychoanalysis. Karnac, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.