edited by Philip L. Fuchs
John Wiley & Sons, 2011
Buku Referensi
Intan Elfrieda Chaerunisha, author
Fakultas Teknik Universitas Indonesia, 2014
UI - Skripsi (Membership)
Hougen, Olaf A., author
John Wiley & Sons, 1943
Buku Teks
by Lawrence W. Scott [and others]
Burgess, 1976
Buku Teks
Companion, Audrey L.
McGraw-Hill, 1979
Buku Teks