Gaya APA
11, S, K, P.
(2015).
Our Sweet Memories 2014 - 2015
.
SURABAYA:
SD Kristen Petra 11.
Gaya MLA
11, SD, Kristen, Petra.
"Our Sweet Memories 2014 - 2015".
SURABAYA:
SD Kristen Petra 11,
2015.
CD-ROM.