Παραπομπή σε μορφή APA (7η εκδ.)

Solid Waste Association of North America & SWANA. (1991). Landfill gas management control, recovery and utilization: Selected papers (1a. ed.). SWANA.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Solid Waste Association of North America και SWANA. Landfill Gas Management Control, Recovery and Utilization: Selected Papers. 1a. ed. Silver Spring: SWANA, 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

Solid Waste Association of North America και SWANA. Landfill Gas Management Control, Recovery and Utilization: Selected Papers. 1a. ed. SWANA, 1991.