Caradus, J.R., D.R. Woodfield, and A.V. Stewart. “Overview and Vision for White Clover”. NZGA: Research and Practice Series 6 (January 1, 1996): 1–6. Accessed August 8, 2026. https://www.nzgajournal.org.nz/index.php/rps/article/view/3368.