APA aipamena

Allen, L. A. (1973). Professional management: New concepts and proven Practices. Tata Mc Graw-Hill publishing Company Ltd.

Chicago Style aipamena

Allen, Louis A. Professional Management: New Concepts and Proven Practices. New Delhi: Tata Mc Graw-Hill publishing Company Ltd, 1973.

MLA aipamena

Allen, Louis A. Professional Management: New Concepts and Proven Practices. Tata Mc Graw-Hill publishing Company Ltd, 1973.