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