Wood, W. H. Practical Stair Building and Handrailing By the square section and falling line system.
Chicago-referens (17:e uppl.)Wood, W. H. Practical Stair Building and Handrailing By the Square Section and Falling Line System.
MLA-referens (9:e uppl.)Wood, W. H. Practical Stair Building and Handrailing By the Square Section and Falling Line System.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.