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.

Johnson, 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.

Johnson, 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.