Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

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.

Παραπομπή σε μορφή MLA (8th εκδ.)

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.