Pierson, R. H. (1966). What shall I speak about? Southern Publishing Ass.
Lua i Stíl Chicago (17ú heag.)Pierson, Roberto H. What Shall I Speak About? Southern Publishing Ass, 1966.
Lua MLA (9ú heag.)Pierson, Roberto H. What Shall I Speak About? Southern Publishing Ass, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.