Gaya APA
Elementary Statistics:A Step By Step Approach. (2007).
New York:
[s.n.].
Gaya Chicago
Elementary Statistics:A Step By Step Approach.
.
New York:
[s.n.],
2007.
Text.
Gaya MLA
Elementary Statistics:A Step By Step Approach.
.
New York:
[s.n.],
2007.
Text.
Gaya Turabian
Elementary Statistics:A Step By Step Approach.
New York:
[s.n.],
2007.
Print.