APA引文

YUSUP Kristianto. (2014). Let's Color! at School. Yogyakarta: Rainbow.

Chicago Style Citation

YUSUP Kristianto. Let's Color! At School. Yogyakarta: Rainbow, 2014.

MLA引文

YUSUP Kristianto. Let's Color! At School. Yogyakarta: Rainbow, 2014.

警告：這些引文格式不一定是100％准確.