Leong, T. S., & Company, B. S. P. (1990). A second environmental study of the macrobenthos in the nearshore marine region of Sungai Lumut, Sungai Bera and Sungai Seria, Brunei Darussalam. Seria, Brunei Darussalam : Brunei Shell Petroleum.
Chicago Style (17. basım) AtıfLeong, Tak Seng, ve Brunei Shell Petroleum Company. A Second Environmental Study of the Macrobenthos in the Nearshore Marine Region of Sungai Lumut, Sungai Bera and Sungai Seria, Brunei Darussalam. Seria, Brunei Darussalam : Brunei Shell Petroleum, 1990.
MLA (9th ed.) AtıfLeong, Tak Seng, ve Brunei Shell Petroleum Company. A Second Environmental Study of the Macrobenthos in the Nearshore Marine Region of Sungai Lumut, Sungai Bera and Sungai Seria, Brunei Darussalam. Seria, Brunei Darussalam : Brunei Shell Petroleum, 1990.