Parks, S. (1986). The critical years. Harper & Row.
Lua i Stíl Chicago (17ú heag.)Parks, Sharon. The Critical Years. San Francisco: Harper & Row, 1986.
Lua MLA (9ú heag.)Parks, Sharon. The Critical Years. Harper & Row, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.