Estrella, C. F. (1983). Landmarks and impact: Philippine agrarian reform (2nd ed.). Ministry of Agrarian Reform.
Lua i Stíl Chicago (17ú heag.)Estrella, Conrado F. Landmarks and Impact: Philippine Agrarian Reform. 2nd ed. Quezon City: Ministry of Agrarian Reform, 1983.
Lua MLA (9ú heag.)Estrella, Conrado F. Landmarks and Impact: Philippine Agrarian Reform. 2nd ed. Ministry of Agrarian Reform, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.