Gaya APA
Figuring:The Joy of Numbers. (1981).
New York:
[s.n.].
Gaya Chicago
Figuring:The Joy of Numbers.
1; 1.
New York:
[s.n.],
1981.
Text.
Gaya MLA
Figuring:The Joy of Numbers.
1; 1.
New York:
[s.n.],
1981.
Text.
Gaya Turabian
Figuring:The Joy of Numbers.
New York:
[s.n.],
1981.
Print.