Campbell, R. M. (1971). Studies on the distribution and productivity of submerged fresh-water macrophytes.
Chicago (17e ed.) BronvermeldingCampbell, Robert M. Studies on the Distribution and Productivity of Submerged Fresh-water Macrophytes. 1971.
MLA (8e ed.) BronvermeldingCampbell, Robert M. Studies on the Distribution and Productivity of Submerged Fresh-water Macrophytes. 1971.
Let op: Deze citaties zijn niet altijd 100% accuraat.