Manuel, B. B. (1976). A practical guide to methodology of research and thesis writing: Beinvenido B. Manuel, Paz C. Medel. GIC Enterprises & Co., Inc.
Lua i Stíl Chicago (17ú heag.)Manuel, Beinvenido B. A Practical Guide to Methodology of Research and Thesis Writing: Beinvenido B. Manuel, Paz C. Medel. Manila: GIC Enterprises & Co., Inc, 1976.
Lua MLA (9ú heag.)Manuel, Beinvenido B. A Practical Guide to Methodology of Research and Thesis Writing: Beinvenido B. Manuel, Paz C. Medel. GIC Enterprises & Co., Inc, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.