Gaya APA
Shimada, J, P, B, S. (1916).
The Open-Ended Approach : A New Proposal for Teaching Mathematics .
Japan:
Resto virginia.
Gaya MLA
Shimada, Jerry, P., Becker,, Shigeru.
"The Open-Ended Approach : A New Proposal for Teaching Mathematics".
Japan:
Resto virginia,
1916.
Text.