APA

"Schaefer.A T. B. J., .Autocad Productivity Book. : .

Chicago

"Schaefer.A Ted Brittain James.L", .Autocad Productivity Book. : .

Harvard

"Schaefer.A T. B. J., .Autocad Productivity Book. : .

MLA

"Schaefer.A Ted Brittain James.L", .: . .