APA
Billy G.Isom, . (1986). Rationale for Sampling and interpretation of Ecological data in the Assessment of Freshwater Ecosystems. Baltimore: .
Chicago
Billy G.Isom, . 1986. Rationale for Sampling and interpretation of Ecological data in the Assessment of Freshwater Ecosystems. Baltimore: .
Harvard
Billy G.Isom, . (1986). Rationale for Sampling and interpretation of Ecological data in the Assessment of Freshwater Ecosystems. Baltimore: .
MLA
Billy G.Isom, . Rationale for Sampling and interpretation of Ecological data in the Assessment of Freshwater Ecosystems. Baltimore: . 1986.