Dyfyniad APA

Doris, E. (1991). Doing what scientists do: Children learn to investigate their world. Heinemann.

Dyfyniad Arddull Chicago

Doris, Ellen. Doing What Scientists Do: Children Learn to Investigate Their World. Portsmouth: Heinemann, 1991.

Dyfyniad MLA

Doris, Ellen. Doing What Scientists Do: Children Learn to Investigate Their World. Heinemann, 1991.

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