Gaya APA
Essentials of Statistics. (1988).
Illinois:
Foresman and Company.
Gaya Chicago
Essentials of Statistics.
.
Illinois:
Foresman and Company,
1988.
.
Gaya MLA
Essentials of Statistics.
.
Illinois:
Foresman and Company,
1988.
.
Gaya Turabian
Essentials of Statistics.
Illinois:
Foresman and Company,
1988.
.