Gabriel, V. D. (1976). Progress and prosperity in the coconut industry. s.n.].
Lua i Stíl Chicago (17ú heag.)Gabriel, Vicente D. Progress and Prosperity in the Coconut Industry. [S.l: s.n.], 1976.
Lua MLA (9ú heag.)Gabriel, Vicente D. Progress and Prosperity in the Coconut Industry. s.n.], 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.