APA (7 वां संस्करण) प्रशस्ति पत्र

Tan, S. K. (1996). A comparative analysis of service quality at Tenaga Nasional Berhad and Pos Malaysia one-stop payment centres / by Tan Seng Khee.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Tan, Seng Khee. A Comparative Analysis of Service Quality at Tenaga Nasional Berhad and Pos Malaysia One-stop Payment Centres / by Tan Seng Khee. 1996.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Tan, Seng Khee. A Comparative Analysis of Service Quality at Tenaga Nasional Berhad and Pos Malaysia One-stop Payment Centres / by Tan Seng Khee. 1996.

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