Nielsen, Bent
A companion to Yi jing numerology and cosmology : Chinese studies of images and numbers from Han (202 BCE-220 BCE) to Song (960-1279 CE)
Routledge Curzon, 2003
 Buku Referensi
Fleiss, Joseph L.
Statistical methods for rates and proportions
John Wiley & Sons, 1983
 Buku Teks
Maeda, John
Design by numbers
MIT press, 1999
 Buku Teks
Wright, M.R.
Cosmology in antiquity / M.R. Wright
Routledge , 1996
 Buku Teks
Lord, Eric A.
Tensors relativity and cosmology
Tata McGraw-Hill , 1976
 Buku Teks