Gaya APA
Idham, K, M.
(2008).
Lembar biru guru seruni
.
Yogyakarta:
Mitra Bocah Muslim.
Gaya MLA
Idham, Kusmarwanti, M..
"Lembar biru guru seruni".
Yogyakarta:
Mitra Bocah Muslim,
2008.
Text.