Chapman, D.F., A.J. Parsons, and S. Schwinning. “Management of Clover in Grazed Pastures: Expectations, Limitations and Opportunities”. NZGA: Research and Practice Series 6 (January 1, 1996): 55–64. Accessed May 21, 2026. https://www.nzgajournal.org.nz/index.php/rps/article/view/3378.