Gaya APA
Kramer, Klaas. (1978).
Teaching Elementary School Mathematics (Ed.4).
Boston:
Allyn and Bacon.
Gaya Chicago
Kramer, Klaas.
Teaching Elementary School Mathematics.
Ed.4
Boston:
Allyn and Bacon,
1978.
Text.
Gaya MLA
Kramer, Klaas.
Teaching Elementary School Mathematics.
Ed.4
Boston:
Allyn and Bacon,
1978.
Text.
Gaya Turabian
Kramer, Klaas.
Teaching Elementary School Mathematics.
Ed.4
Boston:
Allyn and Bacon,
1978.
Print.