Gaya APA
Weiers, Ronald. (2011).
Introductory business statistics (7th edition).
United States:
South-Western.
Gaya Chicago
Weiers, Ronald.
Introductory business statistics.
7th edition
United States:
South-Western,
2011.
Text.
Gaya MLA
Weiers, Ronald.
Introductory business statistics.
7th edition
United States:
South-Western,
2011.
Text.
Gaya Turabian
Weiers, Ronald.
Introductory business statistics.
7th edition
United States:
South-Western,
2011.
Print.