Gaya APA

Leach, J, A. (1997). Autocad 2002 Companion: Essentials Of Autocad Plus Solid Modeling (Ed. 1). Boston: Mcgraw-Hill Book Company, INC..

Gaya MLA

Leach, James, A.. "Autocad 2002 Companion: Essentials Of Autocad Plus Solid Modeling". Ed. 1 Boston: Mcgraw-Hill Book Company, INC., 1997. Text.