Rosen, H. J. (1999). Construction specifications writing: Principles and procedures (4th ed.). John Wiley.
Citazione stile Chigago Style (17a edizione)Rosen, Harold J. Construction Specifications Writing: Principles and Procedures. 4th ed. New York: John Wiley, 1999.
Citatione MLA (8a ed.)Rosen, Harold J. Construction Specifications Writing: Principles and Procedures. 4th ed. John Wiley, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.