Cita APA (7th ed.)

Institution, 8. B. S. (1972). Sizes of rolls of photographic black-and-white and colour paper for roll-head printers. London : BSI.

Cita Chicago (17th ed.)

Institution, 8096 British Standards. Sizes of Rolls of Photographic Black-and-white and Colour Paper for Roll-head Printers. London : BSI, 1972.

Cita MLA (9th ed.)

Institution, 8096 British Standards. Sizes of Rolls of Photographic Black-and-white and Colour Paper for Roll-head Printers. London : BSI, 1972.