Nasution, Zainul Alfan
Universitas Indonesia, 2016
UI - Skripsi (Membership)
Furi Listiani
2017
UI - Skripsi (Membership)
Smykay, Edward W.
Macmillan, 1973
Buku Teks
edited by Martin Chritopher and Gordon Wills
George Allen and Unwin, 1972
Buku Teks
Putu Anggraini
Fakultas Teknik Universitas Indonesia, 2003
UI - Skripsi (Membership)