Tohutoro APA (7th ed.)
ELLIS, N., & BRAY, N. (1986). INTERNATIONAL REVIEW OF RESEARCH IN MENTAL RETARDATION. VOLUME 14. ACADEMIC PRESS.
Tohutoru Kātū Chicago (17th ed.)
ELLIS, N.R, me N.W BRAY. INTERNATIONAL REVIEW OF RESEARCH IN MENTAL RETARDATION. VOLUME 14. Londres: ACADEMIC PRESS, 1986.
Tohutoro MLA (9th ed.)
ELLIS, N.R, me N.W BRAY. INTERNATIONAL REVIEW OF RESEARCH IN MENTAL RETARDATION. VOLUME 14. ACADEMIC PRESS, 1986.
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