Kyllönen, H. (1988). Alpine and subalpine vegetation at Kilpisjärvi, Finnish Lapland: Distribution of biomass and net production and annual variations in biomass. University of Oulu : Oulu University Library [jakaja].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Kyllönen, Hannu. Alpine and Subalpine Vegetation at Kilpisjärvi, Finnish Lapland: Distribution of Biomass and Net Production and Annual Variations in Biomass. Oulu: University of Oulu : Oulu University Library [jakaja], 1988.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Kyllönen, Hannu. Alpine and Subalpine Vegetation at Kilpisjärvi, Finnish Lapland: Distribution of Biomass and Net Production and Annual Variations in Biomass. University of Oulu : Oulu University Library [jakaja], 1988.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.