New York. Parker Publishing Company. (1965). Business etiquette handbook. [s.n.
Lua i Stíl Chicago (17ú heag.)New York. Parker Publishing Company. Business Etiquette Handbook. West Nyack, N.Y: [s.n, 1965.
Lua MLA (9ú heag.)New York. Parker Publishing Company. Business Etiquette Handbook. [s.n, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.