APA (7th ed.) Citation

Surya, Y. (2015). Pintar Berhitung Gasing (Gampang, Asyik, Menyenangkan). Kandel.

Chicago Style (17th ed.) Citation

Surya, Yohanes. Pintar Berhitung Gasing (Gampang, Asyik, Menyenangkan). Kandel, 2015.

MLA (8th ed.) Citation

Surya, Yohanes. Pintar Berhitung Gasing (Gampang, Asyik, Menyenangkan). Kandel, 2015.

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