KOLBE KATHY. (1993). PURE INSTINCT: BUSINESS UNTAPPED RESOURCE. TIMES BOOKS.
Lua i Stíl Chicago (17ú heag.)KOLBE KATHY. PURE INSTINCT: BUSINESS UNTAPPED RESOURCE. NEW YORK: TIMES BOOKS, 1993.
Lua MLA (9ú heag.)KOLBE KATHY. PURE INSTINCT: BUSINESS UNTAPPED RESOURCE. TIMES BOOKS, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.