Não informado. (2001). Bulletin of the Northern Institute for Sanitary and Bacteriology. Northern Institute for Sanitary and Bacteriology.
Chicago-Zitierstil (17. Ausg.)Não informado. Bulletin of the Northern Institute for Sanitary and Bacteriology. Arkhangelsk, Rússia: Northern Institute for Sanitary and Bacteriology, 2001.
MLA-Zitierstil (8. Ausg.)Não informado. Bulletin of the Northern Institute for Sanitary and Bacteriology. Northern Institute for Sanitary and Bacteriology, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.