(1964). Soil-cement: Its use in building. New York: United Nations.
Παραπομπή Chicago StyleSoil-cement: Its Use in Building. New York: United Nations, 1964.
Παραπομπή MLASoil-cement: Its Use in Building. New York: United Nations, 1964.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.