American Public Health Association, American Water Works Association, & Water Environment Federation. (2017). Standard methods for the examination of water and wastewater (23rd edition.). American Public Health Association.
Cytowanie według stylu Chicago (wyd. 17)American Public Health Association, American Water Works Association, i Water Environment Federation. Standard Methods for the Examination of Water and Wastewater. 23rd edition. Washington, D.C: American Public Health Association, 2017.
Cytowanie według stylu MLA (wyd. 9)American Public Health Association, et al. Standard Methods for the Examination of Water and Wastewater. 23rd edition. American Public Health Association, 2017.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..