Johnson, A., & King, W. H. (1946). A manual of specifications and quantities for civil engineers: A textbook for students in civil and municipal engineering. English Universities Press.
Dyfyniad Arddull ChicagoJohnson, A., and William Herbert King. A Manual of Specifications and Quantities for Civil Engineers: A Textbook for Students in Civil and Municipal Engineering. London: English Universities Press, 1946.
Dyfyniad MLAJohnson, A., and William Herbert King. A Manual of Specifications and Quantities for Civil Engineers: A Textbook for Students in Civil and Municipal Engineering. English Universities Press, 1946.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.