Gaya APA
ALLEN, R, F, [.
(1992).
ANNUAL Book of ASTM Standars : section 6 :
.
Philadelphia:
ASTM.
Gaya MLA
ALLEN, Robert, F., [ed.]..
"ANNUAL Book of ASTM Standars : section 6 :".
Philadelphia:
ASTM,
1992.
Buku.