Gaya APA
ASTM., . (1978).
1978 annual book of ASTM standard part 12. Chemical analysis of metals; sampling and analysis of metal bearing ores. (1978).
:
Philadelphia : ASTM.,.
Gaya MLA
ASTM., .
"1978 annual book of ASTM standard part 12. Chemical analysis of metals; sampling and analysis of metal bearing ores.".
1978
:
Philadelphia : ASTM.,,
1978.
Text.