APA (7th ed.) Citation

Purbo, O. W., & Wiharjito, T. (2000). Buku pintar internet: Keamanan jaringan internet. Elex Media Komputindo.

Chicago Style (17th ed.) Citation

Purbo, Onno W., and Tony Wiharjito. Buku Pintar Internet: Keamanan Jaringan Internet. Elex Media Komputindo, 2000.

MLA (8th ed.) Citation

Purbo, Onno W., and Tony Wiharjito. Buku Pintar Internet: Keamanan Jaringan Internet. Elex Media Komputindo, 2000.

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