Yaneva, Albena, author
Ashgate, 2012
Buku Teks
H.K. Ishar
Gramedia, 1992
Buku Teks
Livingston, Kathryn
Ohio Rockport Publishers 1999,
Buku Referensi
Salvadori, Mario, author
Jakarta Erlangga, 1986
Buku Teks
Halimatussaadiyah Anar, author
Fakultas Teknik Universitas Indonesia, 2012
UI - Skripsi (Open)