Pennsylvania Museum and School of Industrial Art. (1920). Annual report of the Pennsylvania Museum and School of Industrial Art for the year ended ... with the list of members. Pennsylvania Museum and School of Industrial Art.
Chicago-referens (17:e uppl.)Pennsylvania Museum and School of Industrial Art. Annual Report of the Pennsylvania Museum and School of Industrial Art for the Year Ended ... with the List of Members. Philadelphia: Pennsylvania Museum and School of Industrial Art, 1920.
MLA-referens (8:e uppl.)Pennsylvania Museum and School of Industrial Art. Annual Report of the Pennsylvania Museum and School of Industrial Art for the Year Ended ... with the List of Members. Pennsylvania Museum and School of Industrial Art, 1920.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.