Gaya APA
ASTM, . (1990).
ASTM D 3328 - 78 9reapproved 1982) Standard test methods for comparison of waterborne petroleum oils by gas chromastography .
:
ASTM.
Gaya MLA
ASTM, .
"ASTM D 3328 - 78 9reapproved 1982) Standard test methods for comparison of waterborne petroleum oils by gas chromastography".
:
ASTM,
1990.
Diorama.