Παραπομπή σε μορφή APA (7η εκδ.)

Barthlott, W., & Winiger, M. (1998). Biodiversity: A challenge for development research and policy (2nd corrected printing 2001.). Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Barthlott, Wilhelm, και Matthias Winiger. Biodiversity: A Challenge for Development Research and Policy. 2nd corrected printing 2001. Berlin ; New York: Springer, 1998.

Παραπομπή σε μορφή MLA (8th εκδ.)

Barthlott, Wilhelm, και Matthias Winiger. Biodiversity: A Challenge for Development Research and Policy. 2nd corrected printing 2001. Springer, 1998.