Cita APA (7a ed.)

Sweet's Group. (1990). Sweet's Catalog File: Products for international construction. Mc Graw Hill.

Cita Chicago Style (17a ed.)

Sweet's Group. Sweet's Catalog File: Products for International Construction. Nueva York: Mc Graw Hill, 1990.

Cita MLA (9a ed.)

Sweet's Group. Sweet's Catalog File: Products for International Construction. Mc Graw Hill, 1990.