Thorp, J. R., & Lynch, R. (2000). The determination of weeds of national significance. National Weeds Strategy Executive Committee.
Chicago-viite (17. p.)Thorp, John R., ja Rod Lynch. The Determination of Weeds of National Significance. Launceston, Tas.: National Weeds Strategy Executive Committee, 2000.
MLA-viite (8. p.)Thorp, John R., ja Rod Lynch. The Determination of Weeds of National Significance. National Weeds Strategy Executive Committee, 2000.
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