Não informado. (2001). Bulletin of the Northern Institute for Sanitary and Bacteriology. Northern Institute for Sanitary and Bacteriology.
Citação do estilo Chicago (17ª ed.)Não informado. Bulletin of the Northern Institute for Sanitary and Bacteriology. Arkhangelsk, Rússia: Northern Institute for Sanitary and Bacteriology, 2001.
Citação MLA (8ª ed.)Não informado. Bulletin of the Northern Institute for Sanitary and Bacteriology. Northern Institute for Sanitary and Bacteriology, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.