Sampson, O. (1964). Speech and Thought in Severe Subnormality. Ment Health (Lond).
استشهاد بنمط شيكاغوSampson, Olive. "Speech and Thought in Severe Subnormality." Ment Health (Lond) 1964.
MLA استشهادSampson, Olive. "Speech and Thought in Severe Subnormality." Ment Health (Lond) 1964.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.