APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.