Gaya APA
Krismariana, C., Young, L.
(2017).
Titu dan Tuti
.
Yogyakarta:
Kanisius.
Gaya MLA
Krismariana, Caecilia., Young, Lyly.
"Titu dan Tuti".
Yogyakarta:
Kanisius,
2017.
Picture Book.