Riveral, D. R. (1971). Local pellet binders for Philippine iron concentrates.
Lua i Stíl Chicago (17ú heag.)Riveral, Dionisio R. Local Pellet Binders for Philippine Iron Concentrates. 1971.
Lua MLA (9ú heag.)Riveral, Dionisio R. Local Pellet Binders for Philippine Iron Concentrates. 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.