Παραπομπή σε μορφή APA (7η εκδ.)

NUERNBERGER, P. (1992). Increasing Executive Productivity A Unique Program For Developing The Inner Skills Of Vison, Leadership And Performance Phil Nuerenberger. Prentice - Hall.

Παραπομπή σε μορφή Chicago (17η εκδ.)

NUERNBERGER, Phil. Increasing Executive Productivity A Unique Program For Developing The Inner Skills Of Vison, Leadership And Performance Phil Nuerenberger. Prentice - Hall, 1992.

Παραπομπή σε μορφή MLA (8th εκδ.)

NUERNBERGER, Phil. Increasing Executive Productivity A Unique Program For Developing The Inner Skills Of Vison, Leadership And Performance Phil Nuerenberger. Prentice - Hall, 1992.