Παραπομπή σε μορφή APA (7η εκδ.)

Cienciala, E. (1994). Sap flow, transpiration, and water use efficiency of spruce and willow in relation to climatic factors. Swedish University of Agricultural Sciences, Dept. of Ecology and Environmental Research.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Cienciala, Emil. Sap Flow, Transpiration, and Water Use Efficiency of Spruce and Willow in Relation to Climatic Factors. Uppsala: Swedish University of Agricultural Sciences, Dept. of Ecology and Environmental Research, 1994.

Παραπομπή σε μορφή MLA (8th εκδ.)

Cienciala, Emil. Sap Flow, Transpiration, and Water Use Efficiency of Spruce and Willow in Relation to Climatic Factors. Swedish University of Agricultural Sciences, Dept. of Ecology and Environmental Research, 1994.