Gaya APA
djatmiko, B., gunawan, H.
(2007).
smart puzzle for smart people
(
Cet.1)
.
Jogjakarta:
pustaka widyatama.
Gaya MLA
djatmiko, Budi., gunawan, Hendri.
"smart puzzle for smart people".
Cet.1
Jogjakarta:
pustaka widyatama,
2007.
Text.