Helbing, W., & Burkart, A. (1979). Chemical tables for laboratory and industry. Wiley Eastern.
Chicago Stili AlıntıHelbing, Wolfgang, ve Adolf Burkart. Chemical Tables for Laboratory and Industry. New Delhi: Wiley Eastern, 1979.
MLA AlıntıHelbing, Wolfgang, ve Adolf Burkart. Chemical Tables for Laboratory and Industry. Wiley Eastern, 1979.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..