SOGE, P. (1983). A Reading Programme For Civil Engineering Students Atma Jaya University Yogyakarta. Universitas Atma Jaya Yogyakar.
Lua i Stíl Chicago (17ú heag.)SOGE, Paulinus. A Reading Programme For Civil Engineering Students Atma Jaya University Yogyakarta. Universitas Atma Jaya Yogyakar, 1983.
Lua MLA (8ú heag.)SOGE, Paulinus. A Reading Programme For Civil Engineering Students Atma Jaya University Yogyakarta. Universitas Atma Jaya Yogyakar, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.