Παραπομπή σε μορφή APA (7η εκδ.)
Hill, K. E. (1947). Children's contributions in science discussions: A consideration of children's verbal responses in relation to certain objectives for science instruction.
Παραπομπή σε μορφή Chicago (17η εκδ.)
Hill, Katherine Elizabeth. Children's Contributions in Science Discussions: A Consideration of Children's Verbal Responses in Relation to Certain Objectives for Science Instruction. New York, 1947.
Παραπομπή σε μορφή MLA (9th εκδ.)
Hill, Katherine Elizabeth. Children's Contributions in Science Discussions: A Consideration of Children's Verbal Responses in Relation to Certain Objectives for Science Instruction. 1947.
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