American Home Economics Association. (1977). Handbook for metric usage. American Home Economics Association.
Chicago-referens (17:e uppl.)American Home Economics Association. Handbook for Metric Usage. N.W., Washington: American Home Economics Association, 1977.
MLA-referens (9:e uppl.)American Home Economics Association. Handbook for Metric Usage. American Home Economics Association, 1977.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.