Gaya APA
Marks, John L., C. Richard Purdy. (1958).
Teaching Elementary School Mathematics for Understanding (ed.4).
USA:
Mc Graw-hill book company.
Gaya Chicago
Marks, John L., C. Richard Purdy.
Teaching Elementary School Mathematics for Understanding.
ed.4
USA:
Mc Graw-hill book company,
1958.
.
Gaya MLA
Marks, John L., C. Richard Purdy.
Teaching Elementary School Mathematics for Understanding.
ed.4
USA:
Mc Graw-hill book company,
1958.
.
Gaya Turabian
Marks, John L., C. Richard Purdy.
Teaching Elementary School Mathematics for Understanding.
ed.4
USA:
Mc Graw-hill book company,
1958.
.