Block, C. C. (1997). Literacy difficulties: Diagnosis and instruction. Fort Worth, TX: Harcourt Brace College.
استشهاد بنمط شيكاغوBlock, Cathy Collins. Literacy Difficulties: Diagnosis and Instruction. Fort Worth, TX: Harcourt Brace College, 1997.
MLA استشهادBlock, Cathy Collins. Literacy Difficulties: Diagnosis and Instruction. Fort Worth, TX: Harcourt Brace College, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.