Dalzell, J. R., & Townsend, G. (1964). Concrete block construction for home and farm (2nd ed.). Chicago: American Technical Society.
Παραπομπή Chicago StyleDalzell, J. Ralph, and Gilbert Townsend. Concrete Block Construction for Home and Farm. 2nd ed. Chicago: American Technical Society, 1964.
Παραπομπή MLADalzell, J. Ralph, and Gilbert Townsend. Concrete Block Construction for Home and Farm. 2nd ed. Chicago: American Technical Society, 1964.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.