Gaya APA
Valkering, C. P.. (1992).
Failure Criteria .
:
s.n..
Gaya Chicago
Valkering, C. P..
Failure Criteria.
:
s.n.,
1992.
Text.
Gaya MLA
Valkering, C. P..
Failure Criteria.
:
s.n.,
1992.
Text.
Gaya Turabian
Valkering, C. P..
Failure Criteria.
:
s.n.,
1992.
Print.