Gaya APA
Walpole, Ronald E. (1997).
Introduction to Statistics .
Singapore:
Prentice Hall International.
Gaya Chicago
Walpole, Ronald E.
Introduction to Statistics.
Singapore:
Prentice Hall International,
1997.
Text.
Gaya MLA
Walpole, Ronald E.
Introduction to Statistics.
Singapore:
Prentice Hall International,
1997.
Text.
Gaya Turabian
Walpole, Ronald E.
Introduction to Statistics.
Singapore:
Prentice Hall International,
1997.
Print.