Παραπομπή APA

Gupta, S. (1978). Maanagement Concepts and Environment. S. Chand.

Παραπομπή Chicago Style

Gupta, S.P. Maanagement Concepts and Environment. New Delhi: S. Chand, 1978.

Παραπομπή MLA

Gupta, S.P. Maanagement Concepts and Environment. S. Chand, 1978.