Gaya APA
Summers, George W.. (1985).
Basic Statistics In Business And Economics (4).
California:
Wadsworth Publishing Company .
Gaya Chicago
Summers, George W..
Basic Statistics In Business And Economics.
4
California:
Wadsworth Publishing Company ,
1985.
Text.
Gaya MLA
Summers, George W..
Basic Statistics In Business And Economics.
4
California:
Wadsworth Publishing Company ,
1985.
Text.
Gaya Turabian
Summers, George W..
Basic Statistics In Business And Economics.
4
California:
Wadsworth Publishing Company ,
1985.
Print.