Malaysia. Jabatan Pengairan dan Saliran, Design Dimension Sdn. Bhd, & Ong, J. (1994). Mysterious caves of Langkawi, Malaysia. Dept. of Irrigation and Drainage, Ministry of Agriculture, Malaysia and Design Dimension Sdn. Bhd.
Chicago Style aipamenaMalaysia. Jabatan Pengairan dan Saliran, Design Dimension Sdn. Bhd, and Johnny Ong. Mysterious Caves of Langkawi, Malaysia. Petaling Jaya: Dept. of Irrigation and Drainage, Ministry of Agriculture, Malaysia and Design Dimension Sdn. Bhd, 1994.
MLA aipamenaMalaysia. Jabatan Pengairan dan Saliran, et al. Mysterious Caves of Langkawi, Malaysia. Dept. of Irrigation and Drainage, Ministry of Agriculture, Malaysia and Design Dimension Sdn. Bhd, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.