Robbins, P. (1979). Guide to non-ferrous metals and their markets. London: Kogan Page.
Chicago Stili AlıntıRobbins, Peter. Guide to Non-ferrous Metals and Their Markets. London: Kogan Page, 1979.
MLA AlıntıRobbins, Peter. Guide to Non-ferrous Metals and Their Markets. London: Kogan Page, 1979.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..