Gaya APA
Walpole, Ronald E.. (1976).
Elementary statistical concepts .
New York:
Macmillan.
Gaya Chicago
Walpole, Ronald E..
Elementary statistical concepts.
New York:
Macmillan,
1976.
Text.
Gaya MLA
Walpole, Ronald E..
Elementary statistical concepts.
New York:
Macmillan,
1976.
Text.
Gaya Turabian
Walpole, Ronald E..
Elementary statistical concepts.
New York:
Macmillan,
1976.
Print.