Walker, E. Schizophrenia: Etiology and course. [article].
Chicago Style aipamenaWalker, Elaine. Schizophrenia: Etiology and Course. [article]. v.55 /p.401-30 2004.
MLA aipamenaWalker, Elaine. Schizophrenia: Etiology and Course. [article].
Kontuz: berrikusi erreferentzia hauek erabili aurretik.