Gaya APA

Tandry, N., Jatmika, A. (2017). Happy parenting : without spanking or yelling . Jakarta: Bhuana Ilmu Populer.

Gaya MLA

Tandry, Novita., Jatmika, Aningtias. "Happy parenting : without spanking or yelling". Jakarta: Bhuana Ilmu Populer, 2017. Text.