Šlapokas, T. (1991). Influence of litter quality and fertilization on microbial nitrogen transformations in short-rotation forests. Swedish University of Agricultural Sciences, Dept. of Microbiology.
Lua i Stíl Chicago (17ú heag.)Šlapokas, Tommy. Influence of Litter Quality and Fertilization on Microbial Nitrogen Transformations in Short-rotation Forests. Uppsala: Swedish University of Agricultural Sciences, Dept. of Microbiology, 1991.
Lua MLA (8ú heag.)Šlapokas, Tommy. Influence of Litter Quality and Fertilization on Microbial Nitrogen Transformations in Short-rotation Forests. Swedish University of Agricultural Sciences, Dept. of Microbiology, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.