Oncken, W. (1984). Managing management time: Who's got the monkey? Prentice-hall.
Lua i Stíl Chicago (17ú heag.)Oncken, William. Managing Management Time: Who's Got the Monkey? New Jersey: Prentice-hall, 1984.
Lua MLA (9ú heag.)Oncken, William. Managing Management Time: Who's Got the Monkey? Prentice-hall, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.