Gaya APA
Boyer, H. (1977).
Metals Handbook, 8th-ed, Vol.9 : Fractography & Atlas of Fractographs .
United States of America:
ASM International.
Gaya MLA
Boyer, H.E..
"Metals Handbook, 8th-ed, Vol.9 : Fractography & Atlas of Fractographs".
United States of America:
ASM International,
1977.
Text.