Não informado. (2010). Research Correspondence: A supplement issued with research. [s.n.].
Chicago-Zitierstil (17. Ausg.)Não informado. Research Correspondence: A Supplement Issued with Research. London: [s.n.], 2010.
MLA-Zitierstil (8. Ausg.)Não informado. Research Correspondence: A Supplement Issued with Research. [s.n.], 2010.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.