Patterson, H. M. (1947). Writing and selling special feature articles. Prentice-Hall inc.
Lua i Stíl Chicago (17ú heag.)Patterson, Helen Marguerite. Writing and Selling Special Feature Articles. New York: Prentice-Hall inc, 1947.
Lua MLA (9ú heag.)Patterson, Helen Marguerite. Writing and Selling Special Feature Articles. Prentice-Hall inc, 1947.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.