Blackwell, E. (1852). The laws of life with special reference to the physical education of girls. G. P. Putnam.
Chicago-referens (17:e uppl.)Blackwell, Elizabeth. The Laws of Life with Special Reference to the Physical Education of Girls. New-York: G. P. Putnam, 1852.
MLA-referens (8:e uppl.)Blackwell, Elizabeth. The Laws of Life with Special Reference to the Physical Education of Girls. G. P. Putnam, 1852.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.