O'Donnell, M. (1948). Guidebook for teachers for The new day in and day out. Row, Peterson and Company.
Chicago-referens (17:e uppl.)O'Donnell, Mabel. Guidebook for Teachers for The New Day in and Day Out. Evanston, Illinois: Row, Peterson and Company, 1948.
MLA-referens (8:e uppl.)O'Donnell, Mabel. Guidebook for Teachers for The New Day in and Day Out. Row, Peterson and Company, 1948.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.