Wells, H.G., author
Gramedia Pusaka Utama, 2019
Buku Teks
Jakarta : LA TOFI
Majalah, Jurnal, Buletin
Pertamina, 1985
Buku Referensi
Ministry of Communication and Information Technology
Ministry of Communication and Information Technology, 2014
Buku Teks
oleh Mahmudi ... [and others]
Gramedia Pustaka Utama, 2011
Buku Teks