APA ציטוט

(1961). The Design And Analysis Of Slabless Tread Riser Stairs. s.n.

Chicago Style (17th ed.) Citation

The Design And Analysis Of Slabless Tread Riser Stairs. s.n, 1961.

ציטוט MLA

The Design And Analysis Of Slabless Tread Riser Stairs. s.n, 1961.