Gaya APA
The Psychology of Mathematics For Instruction. (1981).
New Jersey:
LEA.
Gaya Chicago
The Psychology of Mathematics For Instruction.
1.
New Jersey:
LEA,
1981.
Buku.
Gaya MLA
The Psychology of Mathematics For Instruction.
1.
New Jersey:
LEA,
1981.
Buku.
Gaya Turabian
The Psychology of Mathematics For Instruction.
New Jersey:
LEA,
1981.
Buku.