Gaya APA
Natasha, E., Hapsari, W. (2016).
Strawberry Shortcake: Latihan Pengurangan (Cet. 1).
JAKARTA:
Erlangga For Kids.
Gaya MLA
Natasha, Edith., Hapsari, Windrati.
"Strawberry Shortcake: Latihan Pengurangan".
Cet. 1
JAKARTA:
Erlangga For Kids,
2016.
Chart.