Gaya APA
COPELAND, R, W. (1970).
HOW CHILDREN LEARN MATHEMATICS: TEACHING IMPLICATIONS OF PIAGET'S RESEARCH .
London:
THE MACMILLAN COMPANY.
Gaya MLA
COPELAND, Richard, W..
"HOW CHILDREN LEARN MATHEMATICS: TEACHING IMPLICATIONS OF PIAGET'S RESEARCH".
London:
THE MACMILLAN COMPANY,
1970.
Textbook.