(1974). The Filipino people: Differentiation and distribution based on linguistic, cultural and racial criteria. National Museum.
Lua i Stíl Chicago (17ú heag.)The Filipino People: Differentiation and Distribution Based on Linguistic, Cultural and Racial Criteria. Manila: National Museum, 1974.
Lua MLA (9ú heag.)The Filipino People: Differentiation and Distribution Based on Linguistic, Cultural and Racial Criteria. National Museum, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.