Cita APA (7th ed.)

Koerner, R. M., & Daniel, D. E. (1997). Final covers for solid waste landfills and abandoned dumps. ASCE.

Cita Chicago (17th ed.)

Koerner, Robert M., i David E. Daniel. Final Covers for Solid Waste Landfills and Abandoned Dumps. Reston: ASCE, 1997.

Cita MLA (9th ed.)

Koerner, Robert M., i David E. Daniel. Final Covers for Solid Waste Landfills and Abandoned Dumps. ASCE, 1997.