Means (Firm). (1987). Means interior cost data (4th annual ed. (1988)-.). R.S. Means Co.
Citazione stile Chigago Style (17a edizione)Means (Firm). Means Interior Cost Data. 4th annual ed. (1988)-. Kingston, Mass: R.S. Means Co, 1987.
Citatione MLA (9a ed.)Means (Firm). Means Interior Cost Data. 4th annual ed. (1988)-. R.S. Means Co, 1987.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.