Παραπομπή APA

Wieser, J. (1973). Vegetation of the earth ecological systems of the geo-biosphere. Springer-Verlag.

Παραπομπή Chicago Style

Wieser, Joy. Vegetation of the Earth Ecological Systems of the Geo-biosphere. New York: Springer-Verlag, 1973.

Παραπομπή MLA

Wieser, Joy. Vegetation of the Earth Ecological Systems of the Geo-biosphere. Springer-Verlag, 1973.