North-Holland, 1982
Buku Teks
Fellen, author
Fakultas Teknik Universitas Indonesia, 2004
UI - Skripsi (Membership)
Engelenhoven, Thomas Pieter Gerrit van, author
KITLV Press, 2004
Buku Teks
Mehan, Hugh
Wiley, 1975
Buku Teks
Cressey, George Babcock, 1896-1963, author
J.B. Lippincott, 1960
Buku Teks