Citazione Stile APA (7a Edizione)

Porter, L. J., & Tanner, S. J. (1996). Assessing business excellence: A guide to self-assessment. Butterworth/Heinemann.

Citazione stile Chigago Style (17a edizione)

Porter, L. J., e S. J. Tanner. Assessing Business Excellence: A Guide to Self-assessment. Oxford: Butterworth/Heinemann, 1996.

Citatione MLA (9a ed.)

Porter, L. J., e S. J. Tanner. Assessing Business Excellence: A Guide to Self-assessment. Butterworth/Heinemann, 1996.