Water Pollution Control Federation. Facilities Development Subcommittee, Water Pollution Control Federation. Task Force on Sludge, & Aasheim, S. E. (1985). Sludge stabilization. Water Pollution Control Federation.
Cita Chicago (17th ed.)Water Pollution Control Federation. Facilities Development Subcommittee, Water Pollution Control Federation. Task Force on Sludge, i Stephen E. Aasheim. Sludge Stabilization. Washington, D.C.: Water Pollution Control Federation, 1985.
Cita MLA (8th ed.)Water Pollution Control Federation. Facilities Development Subcommittee, et al. Sludge Stabilization. Water Pollution Control Federation, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.