Gaya APA
GROUP, ., GREIFF, G, L.
(2005).
GROUP work with populations at risk
(
2nd ed.)
.
Oxford:
Oxford Univ. Press.
Gaya MLA
GROUP, ., GREIFF, Geoffrey, L..
"GROUP work with populations at risk".
2nd ed.
Oxford:
Oxford Univ. Press,
2005.
Book.