Solid Waste Association of North America & SWANA. (2005). Landfill gas generation and modeling: Manual of practice. Final draft (1a. ed.). SWANA.
Chicago-viite (17. p.)Solid Waste Association of North America ja SWANA. Landfill Gas Generation and Modeling: Manual of Practice. Final Draft. 1a. ed. Silver Spring: SWANA, 2005.
MLA-viite (9. p.)Solid Waste Association of North America ja SWANA. Landfill Gas Generation and Modeling: Manual of Practice. Final Draft. 1a. ed. SWANA, 2005.
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