Viitanen, H. (1996). Factors affecting the development of mould and brown rot decay in wooden material and wooden structures: Effect of humidity, temperature and exposure time. Swedish University of Agricultural Sciences, Dept. of Forest Products.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Viitanen, Hannu. Factors Affecting the Development of Mould and Brown Rot Decay in Wooden Material and Wooden Structures: Effect of Humidity, Temperature and Exposure Time. Uppsala: Swedish University of Agricultural Sciences, Dept. of Forest Products, 1996.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Viitanen, Hannu. Factors Affecting the Development of Mould and Brown Rot Decay in Wooden Material and Wooden Structures: Effect of Humidity, Temperature and Exposure Time. Swedish University of Agricultural Sciences, Dept. of Forest Products, 1996.