APA-čujuhus (7. p.)
Marxsen, P. M., & Stevens, S. (2015). Helene Schweitzer: A life of her own (First edition.). Syracuse University Press.
Chicago-čujuhus (17. p.)
Marxsen, Patti M., juo Sylvia Stevens. Helene Schweitzer: A Life of Her Own. First edition. Syracuse, New York: Syracuse University Press, 2015.
MLA-čujuhus (9. p.)
Marxsen, Patti M., juo Sylvia Stevens. Helene Schweitzer: A Life of Her Own. First edition. Syracuse University Press, 2015.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.