James, A., & Evison, L. (1960). Biological indicators of water quality. John Wiley and sons.
Chicago Style citaatJames, A., en Lilian Evison. Biological Indicators of Water Quality. New York: John Wiley and sons, 1960.
MLA citatieJames, A., en Lilian Evison. Biological Indicators of Water Quality. John Wiley and sons, 1960.
Let op: Deze citaties zijn niet altijd 100% accuraat.