APA (7e ed.) Bronvermelding

STANDARD. (1998). Standard methods for the examination of water and wastewater.-- ed.20. APHA.

Chicago (17e ed.) Bronvermelding

STANDARD. Standard Methods for the Examination of Water and Wastewater.-- Ed.20. Maryland: APHA, 1998.

MLA (9e ed.) Bronvermelding

STANDARD. Standard Methods for the Examination of Water and Wastewater.-- Ed.20. APHA, 1998.

Let op: Deze citaties zijn niet altijd 100% accuraat.