Espejo, M. A. A demonstration apparatus for gas solid chromatography.
Lua i Stíl Chicago (17ú heag.)Espejo, Milagros A. A Demonstration Apparatus for Gas Solid Chromatography. Quezon City : University of the Philippines (Diliman), 1965.
Lua MLA (9ú heag.)Espejo, Milagros A. A Demonstration Apparatus for Gas Solid Chromatography.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.