STANDARD. (1998). Standard methods for the examination of water and wastewater.-- ed.20. APHA.
Čikaški stil citiranja (17. izdanje)STANDARD. Standard Methods for the Examination of Water and Wastewater.-- Ed.20. Maryland: APHA, 1998.
MLA način citiranja (9. izdanje)STANDARD. Standard Methods for the Examination of Water and Wastewater.-- Ed.20. APHA, 1998.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.