APA aipamena

Allen,Louis A. (1975). Professional Management: New Concepts and Proven Practices. tata.

Chicago Style aipamena

Allen,Louis A. Professional Management: New Concepts and Proven Practices. new delhi: tata, 1975.

MLA aipamena

Allen,Louis A. Professional Management: New Concepts and Proven Practices. tata, 1975.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.