Gaya APA
Brueckner, Leo J.. (1957).
Improving the arithmetic program .
NewYork:
Appleton-Century Crofts.
Gaya Chicago
Brueckner, Leo J..
Improving the arithmetic program.
NewYork:
Appleton-Century Crofts,
1957.
Text.
Gaya MLA
Brueckner, Leo J..
Improving the arithmetic program.
NewYork:
Appleton-Century Crofts,
1957.
Text.
Gaya Turabian
Brueckner, Leo J..
Improving the arithmetic program.
NewYork:
Appleton-Century Crofts,
1957.
Print.