APA
Porter L. J., Tanner S. J., . (1996). Assessing business excellence. New Delhi: Butterworth-Heinemann.
Chicago
Porter L J, Tanner S J, . 1996. Assessing business excellence. New Delhi: Butterworth-Heinemann.
Harvard
Porter L. J., Tanner S. J., . (1996). Assessing business excellence. New Delhi: Butterworth-Heinemann.
MLA
Porter L J, Tanner S J, . Assessing business excellence. New Delhi: Butterworth-Heinemann. 1996.