Gaya APA
ALLEN, R, F, [.
(1998).
ANNUAL book of ASTM standards, section 7 :
.
West Conshohocken:
ASTM.
Gaya MLA
ALLEN, Robert, F., [ed.]..
"ANNUAL book of ASTM standards, section 7 :".
West Conshohocken:
ASTM,
1998.
Buku.