Gaya APA
BLACK, KEN. (2010).
BUSINESS STATISTICS SIXTH EDITION .
NEW JERSEY:
JOHN WILLEY & SONS.
Gaya Chicago
BLACK, KEN.
BUSINESS STATISTICS SIXTH EDITION.
NEW JERSEY:
JOHN WILLEY & SONS,
2010.
Text.
Gaya MLA
BLACK, KEN.
BUSINESS STATISTICS SIXTH EDITION.
NEW JERSEY:
JOHN WILLEY & SONS,
2010.
Text.
Gaya Turabian
BLACK, KEN.
BUSINESS STATISTICS SIXTH EDITION.
NEW JERSEY:
JOHN WILLEY & SONS,
2010.
Print.