D.JOSEBH. (1963). ELEMENTS OF ENGINEERING. PHIIIPS PUBS.
Lua i Stíl Chicago (17ú heag.)D.JOSEBH. ELEMENTS OF ENGINEERING. Madras: PHIIIPS PUBS, 1963.
Lua MLA (9ú heag.)D.JOSEBH. ELEMENTS OF ENGINEERING. PHIIIPS PUBS, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.