Gaya APA
Freund, John E.. (1988).
Modern elementary statistics (7th ed.).
Engkwood Cliffs, New Jersey:
Prentice-Hall Internasional.
Gaya Chicago
Freund, John E..
Modern elementary statistics.
7th ed.
Engkwood Cliffs, New Jersey:
Prentice-Hall Internasional,
1988.
Text.
Gaya MLA
Freund, John E..
Modern elementary statistics.
7th ed.
Engkwood Cliffs, New Jersey:
Prentice-Hall Internasional,
1988.
Text.
Gaya Turabian
Freund, John E..
Modern elementary statistics.
7th ed.
Engkwood Cliffs, New Jersey:
Prentice-Hall Internasional,
1988.
Print.