एपीए उद्धरण

Strengell, M., Ikonen, N., Ziegler, T., & Julkunen, I. (2011). Minor Changes in the Hemagglutinin of Influenza A(H1N1)2009 Virus Alter Its Antigenic Properties. Public Library of Science.

शिकागो स्टाइल उद्धरण

Strengell, Mari, Niina Ikonen, Thedi Ziegler, और Ilkka Julkunen. Minor Changes in the Hemagglutinin of Influenza A(H1N1)2009 Virus Alter Its Antigenic Properties. Public Library of Science, 2011.

एमएलए उद्धरण

Strengell, Mari, Niina Ikonen, Thedi Ziegler, और Ilkka Julkunen. Minor Changes in the Hemagglutinin of Influenza A(H1N1)2009 Virus Alter Its Antigenic Properties. Public Library of Science, 2011.