Dyfyniad APA

Lovell, K. (1966). The growth of basic mathematical and scientific concepts in children (5th ed.). Hodder and Stoughton.

Dyfyniad Arddull Chicago

Lovell, K. The Growth of Basic Mathematical and Scientific Concepts in Children. 5th ed. London: Hodder and Stoughton, 1966.

Dyfyniad MLA

Lovell, K. The Growth of Basic Mathematical and Scientific Concepts in Children. 5th ed. Hodder and Stoughton, 1966.

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