APA (7th ed.) Citation

Goenawan, S. I. Berhitung super cepat.

Chicago Style (17th ed.) Citation

Goenawan, Stephanus Ivan. Berhitung Super Cepat.

MLA (8th ed.) Citation

Goenawan, Stephanus Ivan. Berhitung Super Cepat.

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