APA (7 वां संस्करण) प्रशस्ति पत्र

Lawler, E. E. (2004). Human resources business process outsourcing: Transforming How HR Gets Its Work Done. Jossey-Bass.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Lawler, Edward E. Human Resources Business Process Outsourcing: Transforming How HR Gets Its Work Done. San Francisco,CA: Jossey-Bass, 2004.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Lawler, Edward E. Human Resources Business Process Outsourcing: Transforming How HR Gets Its Work Done. Jossey-Bass, 2004.