Hyde, Richard, author
E & FN Spon, 2000
Buku Teks
Salmon, Cleveland
John Wiley & Sons, 1999
Buku Teks
Street-Porter, Tim, author
Thames and Hudson, 2000
Buku Referensi
Kasabarno, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 1998
UI - Skripsi (Membership)
C.P. Kukreja
McGraw-Hill, 1978
Buku Teks