APA
GEGAX TOM, . (2007). THE BIG BOOK OF SMALL BUSINESS. NEW YORK: HARPER COLLINS PUBLISHERS.
Chicago
GEGAX TOM, . 2007. THE BIG BOOK OF SMALL BUSINESS. NEW YORK: HARPER COLLINS PUBLISHERS.
Harvard
GEGAX TOM, . (2007). THE BIG BOOK OF SMALL BUSINESS. NEW YORK: HARPER COLLINS PUBLISHERS.
MLA
GEGAX TOM, . THE BIG BOOK OF SMALL BUSINESS. NEW YORK: HARPER COLLINS PUBLISHERS. 2007.