Hellgren, M. (1995). Gremmeniella abietina: Disease biology and genetic variation within Fennoscandia. Sveriges lantbruksuniversitet.
Style de citation Chicago (17e éd.)Hellgren, Magnus. Gremmeniella Abietina: Disease Biology and Genetic Variation Within Fennoscandia. Uppsala: Sveriges lantbruksuniversitet, 1995.
Style de citation MLA (8e éd.)Hellgren, Magnus. Gremmeniella Abietina: Disease Biology and Genetic Variation Within Fennoscandia. Sveriges lantbruksuniversitet, 1995.
Attention : ces citations peuvent ne pas être correctes à 100%.