Cita APA (7th ed.)

COVEY STEPHEN R. (2000). PORTABLE 7 HABITS VISION. MAGNA PUBLISHING CO LTS.

Cita Chicago (17th ed.)

COVEY STEPHEN R. PORTABLE 7 HABITS VISION. MUMBAI: MAGNA PUBLISHING CO LTS, 2000.

Cita MLA (9th ed.)

COVEY STEPHEN R. PORTABLE 7 HABITS VISION. MAGNA PUBLISHING CO LTS, 2000.