APA Citation

Youngseon, J., & Endah Nawang Novianti. (2010). Why? numbers and math: Angka dan matematika. Jakarta: Elex Media Komputindo.

Chicago Style Citation

Youngseon, Jo, and Endah Nawang Novianti. Why? Numbers and Math: Angka Dan Matematika. Jakarta: Elex Media Komputindo, 2010.

MLA Citation

Youngseon, Jo, and Endah Nawang Novianti. Why? Numbers and Math: Angka Dan Matematika. Jakarta: Elex Media Komputindo, 2010.

Warning: These citations may not always be 100% accurate.