(1997). ASTM standards on environmental sampling (Second ed.). West Conshohocken: ASTM.
Chicago Stili AlıntıASTM Standards On Environmental Sampling. Second ed. West Conshohocken: ASTM, 1997.
MLA AlıntıASTM Standards On Environmental Sampling. Second ed. West Conshohocken: ASTM, 1997.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..