Walter, H., & Breckle, S. (2002). Walter's Vegetation of the earth: The ecological systems of the geo-biosphere (4th, completely rev. and enl. ed.). Berlin ; New York: Springer.
استشهاد بنمط شيكاغوWalter, Heinrich, و Siegmar-W Breckle. Walter's Vegetation of the Earth: The Ecological Systems of the Geo-biosphere. 4th, completely rev. and enl. ed. Berlin ; New York: Springer, 2002.
MLA استشهادWalter, Heinrich, و Siegmar-W Breckle. Walter's Vegetation of the Earth: The Ecological Systems of the Geo-biosphere. 4th, completely rev. and enl. ed. Berlin ; New York: Springer, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.