Sissors, J. Z., & Goodrich, W. B. (1989). Media planning workbook: With discussions and problems (3rd ed.). NTC Business Books.
Lua i Stíl Chicago (17ú heag.)Sissors, Jack Zanville, agus William B. Goodrich. Media Planning Workbook: With Discussions and Problems. 3rd ed. Lincolnwood, Ill: NTC Business Books, 1989.
Lua MLA (9ú heag.)Sissors, Jack Zanville, agus William B. Goodrich. Media Planning Workbook: With Discussions and Problems. 3rd ed. NTC Business Books, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.