CHATWAL GURDEEP. (1995). INSTRUMENTAL METHODS OF CHEMICAL AALYSIS. HIMALAYA PUBLISHING HOUSE.
Lua i Stíl Chicago (17ú heag.)CHATWAL GURDEEP. INSTRUMENTAL METHODS OF CHEMICAL AALYSIS. BOMBAY: HIMALAYA PUBLISHING HOUSE, 1995.
Lua MLA (9ú heag.)CHATWAL GURDEEP. INSTRUMENTAL METHODS OF CHEMICAL AALYSIS. HIMALAYA PUBLISHING HOUSE, 1995.
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