APA-referens (7:e uppl.)
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.
Chicago-referens (17:e uppl.)
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.
MLA-referens (9:e uppl.)
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.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.