Παραπομπή σε μορφή APA (7η εκδ.)

Åslander, A. (1950). Relation between geologic formation and content of easily soluble plant nutrients in clays of the Uppsala region. Elanders boktr..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Åslander, Alfred. Relation Between Geologic Formation and Content of Easily Soluble Plant Nutrients in Clays of the Uppsala Region. Göteborg: Elanders boktr., 1950.

Παραπομπή σε μορφή MLA (8th εκδ.)

Åslander, Alfred. Relation Between Geologic Formation and Content of Easily Soluble Plant Nutrients in Clays of the Uppsala Region. Elanders boktr., 1950.