Gaya APA

Sukardi, R, H., Ramadhan, D. (). My piano my best friend (Cet. 1). Bandung: DARMizan.

Gaya MLA

Sukardi, Ramya, Hayasrestha., Ramadhan, Dadan. "My piano my best friend". Cet. 1 Bandung: DARMizan, . 800 Kesusastraan.