Gaya APA

NALEPPA, M, J., REID, W, J. (2003). Gerontological social work : a task-centerd approach . New York: Colombia Univ. Press.

Gaya MLA

NALEPPA, Matthias, J.., REID, William, J.. "Gerontological social work : a task-centerd approach". New York: Colombia Univ. Press, 2003. Book.