Teulon, D.A.J., P.J. Cameron, G.W. Bourdot, D. Curtin, and M. Ralston. 2004. “Plant Protection Guides for Organic Arable and Vegetable Crops a Growers Resource”. New Zealand Plant Protection 57 (August). Auckland, New Zealand:351-51. https://doi.org/10.30843/nzpp.2004.57.6970.