Dr. John C.Larkin, D. C. M. (2013). Practical problems in mathematics for drafting and cad - 4th edition. Usa: Delmar Cengage Learning.
Chicago Style CitationDr. John C.Larkin, Dr. Concetta M.Duval. Practical Problems in Mathematics for Drafting and Cad - 4th Edition. Usa: Delmar Cengage Learning, 2013.
MLA CitationDr. John C.Larkin, Dr. Concetta M.Duval. Practical Problems in Mathematics for Drafting and Cad - 4th Edition. Usa: Delmar Cengage Learning, 2013.
Warning: These citations may not always be 100% accurate.