Siregar, Syofian, author
Kencana, 2014
Buku Teks
Siregar, Syofian, author
Kencana Prenada Media Group, 2017
Buku Teks
Siregar, Syofian, author
Rajawali, 2012
Buku Teks
Pattiwael, Edwin I.
Fakultas Teknik Universitas Indonesia, 1994
UI - Skripsi (Membership)
Sumadi Suryabrata, author
Rajawali, 1983
Buku Teks