Gw mau tau Lihat juga dari Berlian (potongan intan)

Tolkowsky, Marcel (1919). Diamond Design: A Study of the Reflection and Refraction of Light in a Diamond. London: E. & F.N. Spon, Ltd. (Web edition edited by Jasper Paulsen, Seattle, 2001.)

Pemeliharaan CS1: Banyak nama: authors list