TS/93. (1956). The Design And Analysis Of Helicoidal Stairs. Godwin.
Cita Chicago Style (17a ed.)TS/93. The Design And Analysis Of Helicoidal Stairs. Godwin, 1956.
Cita MLA (8a ed.)TS/93. The Design And Analysis Of Helicoidal Stairs. Godwin, 1956.
Precaución: Estas citas no son 100% exactas.