Gaya APA
LEO : The incredible story of the world's first business computer. (1998).
New York:
[s.n.].
Gaya Chicago
LEO : The incredible story of the world's first business computer.
.
New York:
[s.n.],
1998.
Text.
Gaya MLA
LEO : The incredible story of the world's first business computer.
.
New York:
[s.n.],
1998.
Text.
Gaya Turabian
LEO : The incredible story of the world's first business computer.
New York:
[s.n.],
1998.
Print.