HARVARD BUSINESS SCHOOL PRESS. (2006). MANAGING TIME: EXPERT SOLUTION TO? HARVARD BUSINESS SCHOOL PRESS.
Chicago-viite (17. p.)HARVARD BUSINESS SCHOOL PRESS. MANAGING TIME: EXPERT SOLUTION TO? BOSTON: HARVARD BUSINESS SCHOOL PRESS, 2006.
MLA-viite (9. p.)HARVARD BUSINESS SCHOOL PRESS. MANAGING TIME: EXPERT SOLUTION TO? HARVARD BUSINESS SCHOOL PRESS, 2006.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.