एपीए उद्धरण

Williams, I., & Curley, D. (2002). Green light: Student book. New York: McGraw-Hill.

शिकागो स्टाइल उद्धरण

Williams, Ivor, और Dermot Curley. Green Light: Student Book. New York: McGraw-Hill, 2002.

एमएलए उद्धरण

Williams, Ivor, और Dermot Curley. Green Light: Student Book. New York: McGraw-Hill, 2002.