Citazione APA

Karlman, M. (1984). Pathogens and other threats to Pinus contorta in Northern Sweden. Dept. of Ecological Botany, University of Umeå.

Stile di citazione Chicago

Karlman, Margareta. Pathogens and Other Threats to Pinus Contorta in Northern Sweden. Umeå: Dept. of Ecological Botany, University of Umeå, 1984.

Citazione MLA

Karlman, Margareta. Pathogens and Other Threats to Pinus Contorta in Northern Sweden. Dept. of Ecological Botany, University of Umeå, 1984.