APA Citation

Roby Yonky Andika. (2011). Mengapa kita harus mencuci tangan? Jakarta: Wortel Books Publishing.

Chicago Style Citation

Roby Yonky Andika. Mengapa Kita Harus Mencuci Tangan? Jakarta: Wortel Books Publishing, 2011.

MLA Citation

Roby Yonky Andika. Mengapa Kita Harus Mencuci Tangan? Jakarta: Wortel Books Publishing, 2011.

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