iGuzzini illuminazione UK LTD, 2013
Majalah, Jurnal, Buletin
Margolius, Ivan, author
Wiley-Academy, 2000
Buku Teks
edited by Tan Kok Meng
Select Book, 2000
Buku Teks
edited by Tan Kok Meng
Select Books, 2000
Buku Referensi
Sankaracharya, Sri
Mylapore Sri Ramakrishna Math 1961
Buku Teks