APA (7e ed.) Bronvermelding

RUTIGIANO TONY. (2010). STRENGTHS BASED SELLING. GALLUP PRESS.

Chicago (17e ed.) Bronvermelding

RUTIGIANO TONY. STRENGTHS BASED SELLING. NEW YORK: GALLUP PRESS, 2010.

MLA (9e ed.) Bronvermelding

RUTIGIANO TONY. STRENGTHS BASED SELLING. GALLUP PRESS, 2010.