Siddens, . S. E., Ratner, J., & Spradlin, W. H. E. (1995). The building estimator’s reference book: A reference book setting forth detailed procedures and cost guidelines for those engaged in estimating building trades (25. edition.).
Cita Chicago Style (17a ed.)Siddens, Scott Editor, Jerrold Ratner, y William H Editor Spradlin. The Building Estimator’s Reference Book: A Reference Book Setting Forth Detailed Procedures and Cost Guidelines for Those Engaged in Estimating Building Trades. 25. edition. Lisle, Illinois : Frank R. Walker Company, 1995.
Cita MLA (9a ed.)Siddens, Scott Editor, et al. The Building Estimator’s Reference Book: A Reference Book Setting Forth Detailed Procedures and Cost Guidelines for Those Engaged in Estimating Building Trades. 25. edition. 1995.