APA-čujuhus (7. p.)
ebrary, Inc, & Calkins, E. (1999). New ways to care for older people: Building systems based on evidence. Springer Pub..
Chicago-čujuhus (17. p.)
ebrary, Inc, juo Evan Calkins. New Ways to Care for Older People: Building Systems Based on Evidence. New York: Springer Pub., 1999.
MLA-čujuhus (9. p.)
ebrary, Inc, juo Evan Calkins. New Ways to Care for Older People: Building Systems Based on Evidence. Springer Pub., 1999.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.