APA-viite (7. p.)

SANBORN MARK. (2004). FRED FACTOR: HOW PASSION IN YOUR?.EXTRAORDINARY. DOUBLEDAY.

Chicago-viite (17. p.)

SANBORN MARK. FRED FACTOR: HOW PASSION IN YOUR?.EXTRAORDINARY. NEW YORK: DOUBLEDAY, 2004.

MLA-viite (9. p.)

SANBORN MARK. FRED FACTOR: HOW PASSION IN YOUR?.EXTRAORDINARY. DOUBLEDAY, 2004.