Gaya APA
Prameswary, A., Hapsari, W.
(2017).
Pabrik Pak Haulg
.
Jakarta:
Erlangga For Kids.
Gaya MLA
Prameswary, Ayu., Hapsari, Windarti.
"Pabrik Pak Haulg".
Jakarta:
Erlangga For Kids,
2017.
.