एपीए उद्धरण

Không rõ. (2008). Statistics for business and economics. NOTNXB.

शिकागो स्टाइल उद्धरण

Không rõ. Statistics for Business and Economics. NOTNXB, 2008.

एमएलए उद्धरण

Không rõ. Statistics for Business and Economics. NOTNXB, 2008.