APA-viite (7. p.)

Seth Godin. Start With Why: How Great Leaders Inspire Everyone to Take Action. Penguin Books.

Chicago-viite (17. p.)

Seth Godin. Start With Why: How Great Leaders Inspire Everyone to Take Action. Penguin Books.

MLA-viite (9. p.)

Seth Godin. Start With Why: How Great Leaders Inspire Everyone to Take Action. Penguin Books.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.