Citace podle APA (7th ed.)
GERSTEN, R. (1987). DIRECT INSTRUCTION: A RESEARCH-BASED APPROACH TO CURRICULUM DESIGN AND TEACHING.
Citace podle Chicago (17th ed.)
GERSTEN, R. DIRECT INSTRUCTION: A RESEARCH-BASED APPROACH TO CURRICULUM DESIGN AND TEACHING. 1987.
Citace podle MLA (9th ed.)
GERSTEN, R. DIRECT INSTRUCTION: A RESEARCH-BASED APPROACH TO CURRICULUM DESIGN AND TEACHING. 1987.
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