Water Pollution Control Federation Task Force on Simplified Laboratory Procedures & Water Pollution Control Federation O and M Subcommittee. (1985). Simplified laboratory procedures for wastewater examination: A special publication. Water Pollution Control Federation.
Παραπομπή σε μορφή Chicago (17η εκδ.)Water Pollution Control Federation Task Force on Simplified Laboratory Procedures και Water Pollution Control Federation O and M Subcommittee. Simplified Laboratory Procedures for Wastewater Examination: A Special Publication. Washington: Water Pollution Control Federation, 1985.
Παραπομπή σε μορφή MLA (9th εκδ.)Water Pollution Control Federation Task Force on Simplified Laboratory Procedures και Water Pollution Control Federation O and M Subcommittee. Simplified Laboratory Procedures for Wastewater Examination: A Special Publication. Water Pollution Control Federation, 1985.