Παραπομπή σε μορφή APA (7η εκδ.)

Olvmo, M. (1989). Meltwater canyons in Sweden: A study of canyons of the "kursu"-, "skura"- and "grav"-type. University of Göteborg, Dept. of Physical Geography.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Olvmo, Mats. Meltwater Canyons in Sweden: A Study of Canyons of the "Kursu"-, "Skura"- and "Grav"-type. Göteborg, Sweden: University of Göteborg, Dept. of Physical Geography, 1989.

Παραπομπή σε μορφή MLA (8th εκδ.)

Olvmo, Mats. Meltwater Canyons in Sweden: A Study of Canyons of the "Kursu"-, "Skura"- and "Grav"-type. University of Göteborg, Dept. of Physical Geography, 1989.