McLennan, M. S. (1980). The Central Luzon Plain: Land and society on the inland frontier. Alemar-Phoenix Publishing House.
Lua i Stíl Chicago (17ú heag.)McLennan, Marshall S. The Central Luzon Plain: Land and Society on the Inland Frontier. Quezon City: Alemar-Phoenix Publishing House, 1980.
Lua MLA (9ú heag.)McLennan, Marshall S. The Central Luzon Plain: Land and Society on the Inland Frontier. Alemar-Phoenix Publishing House, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.