by R.D. Thompson ... [et al.]
Longman, 1993
Buku Teks
Lobeck, A.K.
McGraw-Hill, 1939
Buku Teks
Masselink, Gerhard
Hodder Education, 2011
Buku Teks
Graf, William L.
Springer-Verlag, 1988
Buku Teks
Fakultas Teknik Universitas Indonesia, 1995
UI - Skripsi Membership