एपीए उद्धरण

Simpson, D. (2005). UK: Progress markers? A piece of cake. BMJ Group.

शिकागो स्टाइल उद्धरण

Simpson, D. UK: Progress Markers? A Piece of Cake. BMJ Group, 2005.

एमएलए उद्धरण

Simpson, D. UK: Progress Markers? A Piece of Cake. BMJ Group, 2005.