APA aipamena

Krieger, J. L. (1959). Principles and problems of excutive leadership: Guides to executive action. Universal Printers.

Chicago Style aipamena

Krieger, Joseph Leo. Principles and Problems of Excutive Leadership: Guides to Executive Action. Anglington, Va: Universal Printers, 1959.

MLA aipamena

Krieger, Joseph Leo. Principles and Problems of Excutive Leadership: Guides to Executive Action. Universal Printers, 1959.