Polytechnic Institute of New York & Polytechnic Institute of Brooklyn. The Polytechnic engineer. Polytechnic Institute of New York.
Lua i Stíl Chicago (17ú heag.)Polytechnic Institute of New York agus Polytechnic Institute of Brooklyn. The Polytechnic Engineer. Brooklyn, N.Y.: Polytechnic Institute of New York.
Lua MLA (8ú heag.)Polytechnic Institute of New York agus Polytechnic Institute of Brooklyn. The Polytechnic Engineer. Polytechnic Institute of New York.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.