Romeo, Luigi, author
Amsterdam John Benjamins 1979
Buku Referensi
Doblin, Alfred, author
T.t., Herder Bucherei, 1959
Buku Teks
Nasution, Muhammad Yasir
Jakarta RajaGrafindo Perkasa 1999,
Buku Teks
Ismawan, Indra
Yogyakarta Media Persindo 1999,
Buku Teks
Lovelock, J. E., author
Yayasan Obor Indonesia, 1988
Buku Teks