APA-viite (7. p.)

BARWISE PATRICK. (2004). SIMPLY BETTER: WINNING AND KEEPING CUSTOMERS ? MATTERS MOST. HARPER COLLINS PUBLISHERS.

Chicago-viite (17. p.)

BARWISE PATRICK. SIMPLY BETTER: WINNING AND KEEPING CUSTOMERS ? MATTERS MOST. BOSTON: HARPER COLLINS PUBLISHERS, 2004.

MLA-viite (9. p.)

BARWISE PATRICK. SIMPLY BETTER: WINNING AND KEEPING CUSTOMERS ? MATTERS MOST. HARPER COLLINS PUBLISHERS, 2004.