Harvard Business Review. The Harvard Business Review entrepreneur's Handbook. Harvard Business Review.
Chicago-viite (17. p.)Harvard Business Review. The Harvard Business Review Entrepreneur's Handbook. Harvard Business Review.
MLA-viite (9. p.)Harvard Business Review. The Harvard Business Review Entrepreneur's Handbook. Harvard Business Review.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.