APA aipamena

KEMPIS ROLF-DIETER. (1999). DO IT SMART. FREE PRESS.

Chicago Style aipamena

KEMPIS ROLF-DIETER. DO IT SMART. NEW YORK: FREE PRESS, 1999.

MLA aipamena

KEMPIS ROLF-DIETER. DO IT SMART. FREE PRESS, 1999.