Jelaskan Rujukan dari Syis Hawthornden dalam bahasa melayu

Chow, W.S., Nurzaidi Abdullah & Lai, K.H., 1994. Geotechnical investigation of the proposed Pusat Pentadbiran Persekutuan Perang Besar, Geological Survey Department of Malaysia, Kuala Lumpur.

Jones, C.R., 1973. Lower Palaeozoic. In: Gobett, D.J. & Hutchison, C.S. (eds.) Geology of the Malay Peninsula. New York: Wiley Interscience, p. 25-60.

Khalid Ngah, 1972. Brief Geology of the Seremban Area, Sheet 103. Malaysia Geological Survey Annual Report, 86-91.

Lim, C.K., 2001. Structural style of Cyberjaya and Putrajaya, Selangor. Proceedings Annual Geological Conference 2001, Geological Society of Malaysia, p.67-70.

Rashidah Hj Abdul Karim, 1984. Geologi, petrologi dan geokimia batuan Syis Dinding, Daerah Hulu Kelang, Selangor. Tesis Ijazah SmSn. (Kep), Universiti Kebangsaan Malaysia. (tidak diterbitkan)