APA সাইটেশন

Bittel, L. R. (1978). Encyclopedia of professional management. McGraw-Hill.

শিকাগো স্টাইলে সাইটেশন

Bittel, Lester Robert. Encyclopedia of Professional Management. New York: McGraw-Hill, 1978.

এমএলএ সাইটেশন

Bittel, Lester Robert. Encyclopedia of Professional Management. McGraw-Hill, 1978.