C.P. Kukreja
McGraw-Hill, 1978
Buku Teks
Trulove, James Grayson, author
HarperCollins, 2001
Buku Referensi
Barreneche, Raul A., author
Rizzoli, 2003
Buku Teks
Reschke, Cynthia, author
Te Neues, 2003
Buku Teks
Galindo, Michelle, author
Braun, 2012
Buku Referensi