Παραπομπή σε μορφή APA (7η εκδ.)

SWANA Landfill Gas Symposium Monterey, California. (1997). 20th Annual Landfill Gas Symposium: Monterey, California, March 25-27, 1997 : proceedings from SWANA's. SWANA.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SWANA Landfill Gas Symposium Monterey, California. 20th Annual Landfill Gas Symposium: Monterey, California, March 25-27, 1997 : Proceedings from SWANA's. [Silver Spring, Md,]: SWANA, 1997.

Παραπομπή σε μορφή MLA (9th εκδ.)

SWANA Landfill Gas Symposium Monterey, California. 20th Annual Landfill Gas Symposium: Monterey, California, March 25-27, 1997 : Proceedings from SWANA's. SWANA, 1997.