Gaya APA
Walpole, Ronald E. (1968).
Introduction to statistics (Ed. 2).
USA:
Macmillan Publishing.
Gaya Chicago
Walpole, Ronald E.
Introduction to statistics.
Ed. 2
USA:
Macmillan Publishing,
1968.
Text.
Gaya MLA
Walpole, Ronald E.
Introduction to statistics.
Ed. 2
USA:
Macmillan Publishing,
1968.
Text.
Gaya Turabian
Walpole, Ronald E.
Introduction to statistics.
Ed. 2
USA:
Macmillan Publishing,
1968.
Print.