Ingestad, T. (1962). Macro element nutrition of pine, spruce, and birch seedlings in nutrient solutions.
Čikaški stil citiranja (17. izdanje)Ingestad, Torsten. Macro Element Nutrition of Pine, Spruce, and Birch Seedlings in Nutrient Solutions. Stockholm, 1962.
MLA način citiranja (8. izdanje)Ingestad, Torsten. Macro Element Nutrition of Pine, Spruce, and Birch Seedlings in Nutrient Solutions. 1962.
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