APA (7th ed.) Citation

Hartoko, A., & Widijanuarto, S. (2009). 5 Langkah Raup Uang Pakai Twitter: Bisnis Online Modal Jejaring Sosial. Multicom.

Chicago Style (17th ed.) Citation

Hartoko, Alfa, and Satyo Widijanuarto. 5 Langkah Raup Uang Pakai Twitter: Bisnis Online Modal Jejaring Sosial. Multicom, 2009.

MLA (8th ed.) Citation

Hartoko, Alfa, and Satyo Widijanuarto. 5 Langkah Raup Uang Pakai Twitter: Bisnis Online Modal Jejaring Sosial. Multicom, 2009.

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