APA ציטוט

Haahtela, K., Wartiovaara, T., Sundman, V., & Skujiņš, J. (1981). Root-Associated N(2) Fixation (Acetylene Reduction) by Enterobacteriaceae and Azospirillum Strains in Cold-Climate Spodosols.

Citação norma Chicago

Haahtela, Kielo, Tuula Wartiovaara, Veronica Sundman, and J. Skujiņš. Root-Associated N(2) Fixation (Acetylene Reduction) By Enterobacteriaceae and Azospirillum Strains in Cold-Climate Spodosols. 1981.

ציטוט MLA

Haahtela, Kielo, Tuula Wartiovaara, Veronica Sundman, and J. Skujiņš. Root-Associated N(2) Fixation (Acetylene Reduction) By Enterobacteriaceae and Azospirillum Strains in Cold-Climate Spodosols. 1981.