Clarholm, M., & Bergstrom, L. (1989). Ecology of arable land: Perspectives and challenges. Kluwer Academic.
Citación estilo ChicagoClarholm, Marianne, and L. Bergstrom. Ecology of Arable Land: Perspectives and Challenges. Dordrecht ; Boston: Kluwer Academic, 1989.
Cita MLAClarholm, Marianne, and L. Bergstrom. Ecology of Arable Land: Perspectives and Challenges. Kluwer Academic, 1989.
Warning: These citations may not always be 100% accurate.