Gaya APA
Heafford, Philip. (1959).
The Math Entertainer .
New York:
Harper & Row, Publishers.
Gaya Chicago
Heafford, Philip.
The Math Entertainer.
New York:
Harper & Row, Publishers,
1959.
Text.
Gaya MLA
Heafford, Philip.
The Math Entertainer.
New York:
Harper & Row, Publishers,
1959.
Text.
Gaya Turabian
Heafford, Philip.
The Math Entertainer.
New York:
Harper & Row, Publishers,
1959.
Print.