एपीए उद्धरण

Business English for the 80's. (1980). Business English for the 80's. New Jersey: Prentice-Hall.

शिकागो स्टाइल उद्धरण

Business English for the 80's. Business English for the 80's. New Jersey: Prentice-Hall, 1980.

एमएलए उद्धरण

Business English for the 80's. Business English for the 80's. New Jersey: Prentice-Hall, 1980.