एपीए उद्धरण

Không rõ. (2010). Business and Professional Communication. NOTNXB.

शिकागो स्टाइल उद्धरण

Không rõ. Business and Professional Communication. NOTNXB, 2010.

एमएलए उद्धरण

Không rõ. Business and Professional Communication. NOTNXB, 2010.