APA (7th ed.) Zitazioa
GINDIS, B. (1990). SPECIAL EDUCATION IN THE SOVIET UNION: PROBLEMS AND PERSPECTIVES.
Chicago Style (17th ed.) Zitazioa
GINDIS, B. SPECIAL EDUCATION IN THE SOVIET UNION: PROBLEMS AND PERSPECTIVES. 1990.
MLA (9th ed.) Zitazioa
GINDIS, B. SPECIAL EDUCATION IN THE SOVIET UNION: PROBLEMS AND PERSPECTIVES. 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.