International Correspondence Schools. (1908). Stone and brick: Cementing materials and mortar ; Stone and brick masonry ; Plain concrete ; Reinforced concrete ; Foundations ; Retaining walls ; Culverts ; Tunnels ; Dams ; Introduction to construction drawing. International Textbook Co..
Παραπομπή σε μορφή Chicago (17η εκδ.)International Correspondence Schools. Stone and Brick: Cementing Materials and Mortar ; Stone and Brick Masonry ; Plain Concrete ; Reinforced Concrete ; Foundations ; Retaining Walls ; Culverts ; Tunnels ; Dams ; Introduction to Construction Drawing. Scranton, [Pa]: International Textbook Co., 1908.
Παραπομπή σε μορφή MLA (8th εκδ.)International Correspondence Schools. Stone and Brick: Cementing Materials and Mortar ; Stone and Brick Masonry ; Plain Concrete ; Reinforced Concrete ; Foundations ; Retaining Walls ; Culverts ; Tunnels ; Dams ; Introduction to Construction Drawing. International Textbook Co., 1908.