Reuben, E. J., & Gunggut, H. (2021). Marine conservation area in Sabah: The roles and contributions of Sabah parks in establishing and managing the Tun Mustapha Park (TMP) / Erica Joanne Reuben and Haijon Gunggut. Universiti Teknologi MARA.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रReuben, Erica Joanne, और Haijon Gunggut. Marine Conservation Area in Sabah: The Roles and Contributions of Sabah Parks in Establishing and Managing the Tun Mustapha Park (TMP) / Erica Joanne Reuben and Haijon Gunggut. Universiti Teknologi MARA, 2021.
एमएलए (9वां संस्करण) प्रशस्ति पत्रReuben, Erica Joanne, और Haijon Gunggut. Marine Conservation Area in Sabah: The Roles and Contributions of Sabah Parks in Establishing and Managing the Tun Mustapha Park (TMP) / Erica Joanne Reuben and Haijon Gunggut. Universiti Teknologi MARA, 2021.