FARRIS P W. (1983). ADVERTISING & PROMOTION MANAGEMENT A MANAGERS GUIDE TO THEORY & PRACTICE. CHILTON BOOK.
Lua i Stíl Chicago (17ú heag.)FARRIS P W. ADVERTISING & PROMOTION MANAGEMENT A MANAGERS GUIDE TO THEORY & PRACTICE. PENNSYLVANIA: CHILTON BOOK, 1983.
Lua MLA (9ú heag.)FARRIS P W. ADVERTISING & PROMOTION MANAGEMENT A MANAGERS GUIDE TO THEORY & PRACTICE. CHILTON BOOK, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.