Fakutas Sastra Universitas Indonesia, 1977
Buku Teks SO
Ira Retnowati
Fakultas Teknik Universitas Indonesia, 2003
UI - Skripsi Membership
Jordan, R. Furneaux
Thames, [Date of publication not identified]
Buku Teks SO
Kostof, Spiro
Oxford University Press, 1995
Buku Teks SO
Risebero, Bill
MIT Press, 2001
Buku Teks SO