APA (7 वां संस्करण) प्रशस्ति पत्र

Chin, C. H., Dobie, M. J. D., & Nicholls, R. A. (1990). Geotechnical aspects of the North-South Expressway. Kuala Lumpur : Projek Lebuhraya Utara-Selatan (PLUS) and Pengurusan Lebuhraya Berhad (PL).

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Chin, C. H., M. J. D. Dobie, और R. A. Nicholls. Geotechnical Aspects of the North-South Expressway. Kuala Lumpur : Projek Lebuhraya Utara-Selatan (PLUS) and Pengurusan Lebuhraya Berhad (PL), 1990.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Chin, C. H., et al. Geotechnical Aspects of the North-South Expressway. Kuala Lumpur : Projek Lebuhraya Utara-Selatan (PLUS) and Pengurusan Lebuhraya Berhad (PL), 1990.