American Public Health Association, American Water Works Association, Water Environment Federation, & Clesceri, L. S. (1998). Standard methods: For the examination of water and wastewater (20th ed.). American Public Health Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)American Public Health Association, American Water Works Association, Water Environment Federation, και Lenore S. Clesceri. Standard Methods: For the Examination of Water and Wastewater. 20th ed. Washington: American Public Health Association, 1998.
Παραπομπή σε μορφή MLA (9th εκδ.)American Public Health Association, et al. Standard Methods: For the Examination of Water and Wastewater. 20th ed. American Public Health Association, 1998.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.