APA ציטוט

Allen, L. A. (1975). Professional management: New concepts and proven practices. Tata McGraw-Hill.

Chicago Edition Citation

Allen, Louis A. Professional Management: New Concepts and Proven Practices. Tata McGraw-Hill, 1975.

ציטוט MLA

Allen, Louis A. Professional Management: New Concepts and Proven Practices. Tata McGraw-Hill, 1975.