Kiehl, K., & Aamlid, T. S. (2014). Guidelines for native seed production and grassland restoration. Cambridge Scholars Publishing.
Tohutoru Kātū Chicago (17th ed.)Kiehl, Kathrin, me Trygve S. Aamlid. Guidelines for Native Seed Production and Grassland Restoration. Newcastle upon Tyne, England: Cambridge Scholars Publishing, 2014.
Tohutoro MLA (9th ed.)Kiehl, Kathrin, me Trygve S. Aamlid. Guidelines for Native Seed Production and Grassland Restoration. Cambridge Scholars Publishing, 2014.
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