Jenks, J. W. (1908). Life questions of high school boys. Young men's Christian association press.
Chicago-referens (17:e uppl.)Jenks, Jeremiah Whipple. Life Questions of High School Boys. New York: Young men's Christian association press, 1908.
MLA-referens (8:e uppl.)Jenks, Jeremiah Whipple. Life Questions of High School Boys. Young men's Christian association press, 1908.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.