Hermosisima, C. (1982). Effective business communication. National Book Store.
Lua i Stíl Chicago (17ú heag.)Hermosisima, Cynthia. Effective Business Communication. Manila: National Book Store, 1982.
Lua MLA (9ú heag.)Hermosisima, Cynthia. Effective Business Communication. National Book Store, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.