Gaya APA
Dewey, M.
(2011).
Dewey Decimal Classification DDC 23 Volume 3
(
23)
.
Ohio:
OCLC.
Gaya MLA
Dewey, Melvil.
"Dewey Decimal Classification DDC 23 Volume 3".
23
Ohio:
OCLC,
2011.
Penelitian Dosen.