APA Citation

As adi Muhammad, & Virsya Hany. (2011). Tertawalah Biar Sehat !! (Cet 1.). Yogyakarta: Diva Press.

Chicago Style Citation

As adi Muhammad, and Virsya Hany. Tertawalah Biar Sehat !! Cet 1. Yogyakarta: Diva Press, 2011.

MLA Citation

As adi Muhammad, and Virsya Hany. Tertawalah Biar Sehat !! Cet 1. Yogyakarta: Diva Press, 2011.

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