Gaya APA
Svehla, G. (1979).
Vogel's Textbook Of Macro And Semimicro Qualitative Inorganic Analysis (4).
London:
Longman Group Limited.
Gaya MLA
Svehla, G.
"Vogel's Textbook Of Macro And Semimicro Qualitative Inorganic Analysis".
4
London:
Longman Group Limited,
1979.
Text.