APA Citation

Osdirwan Osman, & Harris Syamsi Y. (2010). 30 menit pintar matematika. Depok: Media Pusindo.

Chicago Style Citation

Osdirwan Osman, and Harris Syamsi Y. 30 Menit Pintar Matematika. Depok: Media Pusindo, 2010.

MLA Citation

Osdirwan Osman, and Harris Syamsi Y. 30 Menit Pintar Matematika. Depok: Media Pusindo, 2010.

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