Gaya APA

Leach, J, A. (2007). Autocad 2006 Companion : Essentials of Autocad Plus Solid Modeling / James A Leach . New York: Mc Graw Hill.

Gaya MLA

Leach, James, A. "Autocad 2006 Companion : Essentials of Autocad Plus Solid Modeling / James A Leach". New York: Mc Graw Hill, 2007. Buku.