Gaya APA
Kids, A. et al (2018).
Character Building Series: Always say Thank You (Selalu Ucapkan Terima Kasih) .
Yogyakarta:
C-Klik Media.
Gaya MLA
Kids, Amazing. et al.
"Character Building Series: Always say Thank You (Selalu Ucapkan Terima Kasih)".
Yogyakarta:
C-Klik Media,
2018.
Text.