Gaya APA
SRIYANTO, . (2004).
Sistem Operasional Prosedur Lost and Found Pada PT. Gapura Angkasa .
Surakarta:
STP Sahid Surakarta.
Gaya MLA
SRIYANTO, .
"Sistem Operasional Prosedur Lost and Found Pada PT. Gapura Angkasa".
Surakarta:
STP Sahid Surakarta,
2004.
Text.