Armstrong, L. D. (1975). A guide to international recommendations on names and symbols for quantities and on units of measurement / Lowe D. Armstrong. World Health Organization.
Citazione stile Chigago Style (17a edizione)Armstrong, Lowe D. A Guide to International Recommendations on Names and Symbols for Quantities and on Units of Measurement / Lowe D. Armstrong. Geneva: World Health Organization, 1975.
Citatione MLA (9a ed.)Armstrong, Lowe D. A Guide to International Recommendations on Names and Symbols for Quantities and on Units of Measurement / Lowe D. Armstrong. World Health Organization, 1975.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.