Gaya APA
11, S, K, P.
(2006).
Kartini Day 2006 SD Kristen Petra 11
.
SURABAYA:
SD Kristen Petra 11.
Gaya MLA
11, SD, Kristen, Petra.
"Kartini Day 2006 SD Kristen Petra 11".
SURABAYA:
SD Kristen Petra 11,
2006.
CD-ROM.