American Home Economics Association. (1977). Handbook for metric usage. American Home Economics Association.
Citazione stile Chigago Style (17a edizione)American Home Economics Association. Handbook for Metric Usage. N.W., Washington: American Home Economics Association, 1977.
Citatione MLA (9a ed.)American Home Economics Association. Handbook for Metric Usage. American Home Economics Association, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.