Cita APA (7a ed.)
Spence , W. P. (1980). Drafting: Technology and practice. Bennett publishing.
Cita Chicago Style (17a ed.)
Spence , William P. Drafting: Technology and Practice. Peoria: Bennett publishing, 1980.
Cita MLA (9a ed.)
Spence , William P. Drafting: Technology and Practice. Bennett publishing, 1980.
Precaución: Estas citas no son 100% exactas.