Kaluski, Marian
Australasian Educa Press,, 1985
Buku Teks SO
by Aleksey Maksimovich Gor`kiy; translated by Margaret Wettlin
Foreign Languages Publishing House, [date of publication not identified]
Buku Teks SO
American Society of Civil Engineers, 1987
Buku Referensi
Bagus Satrio Lestanto
Fakultas Hukum Universitas Indonesia, 2011
UI - Skripsi Open
Fakultas Teknik Universitas Indonesia, 1991
UI - Skripsi Membership