Gaya APA
Keller, Gerald. (2005).
Statistics for management and economics .
United States of America:
Thomson Delmar Learning.
Gaya Chicago
Keller, Gerald.
Statistics for management and economics.
United States of America:
Thomson Delmar Learning,
2005.
Text.
Gaya MLA
Keller, Gerald.
Statistics for management and economics.
United States of America:
Thomson Delmar Learning,
2005.
Text.
Gaya Turabian
Keller, Gerald.
Statistics for management and economics.
United States of America:
Thomson Delmar Learning,
2005.
Print.