Gaya APA
Materials, A, S, F, T, A. (2009).
ASTM E1820 – 11: Standard Test Method for Measurement of Fracture Toughness (-).
Pensylvania:
ASTM International.
Gaya MLA
Materials, American, Society, For, Testing, And.
"ASTM E1820 – 11: Standard Test Method for Measurement of Fracture Toughness".
-
Pensylvania:
ASTM International,
2009.
Book.