APA
National Reprographic Centre For Documentation, National Reprographic Centre For Documentation, . (1971). Investigation of the exposure of Diazo Duplicate Negativews by W J Barreett. Hatfield: NRCD.
Chicago
National Reprographic Centre For Documentation, National Reprographic Centre For Documentation, . 1971. Investigation of the exposure of Diazo Duplicate Negativews by W J Barreett. Hatfield: NRCD.
Harvard
National Reprographic Centre For Documentation, National Reprographic Centre For Documentation, . (1971). Investigation of the exposure of Diazo Duplicate Negativews by W J Barreett. Hatfield: NRCD.
MLA
National Reprographic Centre For Documentation, National Reprographic Centre For Documentation, . Investigation of the exposure of Diazo Duplicate Negativews by W J Barreett. Hatfield: NRCD. 1971.
