APA (7th ed.) Zitazioa
WINKLER, W. (1987). REINFORCING MOBILITY SKILLS WITH SEVERELY HANDICAPPED SECONDARY STUDENTS.
Chicago Style (17th ed.) Zitazioa
WINKLER, W. REINFORCING MOBILITY SKILLS WITH SEVERELY HANDICAPPED SECONDARY STUDENTS. 1987.
MLA (9th ed.) Zitazioa
WINKLER, W. REINFORCING MOBILITY SKILLS WITH SEVERELY HANDICAPPED SECONDARY STUDENTS. 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.