Machine Readable Codes Joint Working Party (Great Britain), Booksellers Association of Great Britain and Ireland, & Blackwell, J. (1979). Machine readable codes for the book trade: "waiting for Bookland" : interim report of the joint working party. Booksellers Association of Great Britain and Ireland.
Citazione stile Chigago Style (17a edizione)Machine Readable Codes Joint Working Party (Great Britain), Booksellers Association of Great Britain and Ireland, e Julian Blackwell. Machine Readable Codes for the Book Trade: "Waiting for Bookland" : Interim Report of the Joint Working Party. London: Booksellers Association of Great Britain and Ireland, 1979.
Citatione MLA (8a ed.)Machine Readable Codes Joint Working Party (Great Britain), et al. Machine Readable Codes for the Book Trade: "Waiting for Bookland" : Interim Report of the Joint Working Party. Booksellers Association of Great Britain and Ireland, 1979.