Gaya APA
Dalton, . (2001).
Community psychology (cet.1).
Amerika:
wadsworth publishing company, inc belmont, california.
Gaya MLA
Dalton, .
"Community psychology".
cet.1
Amerika:
wadsworth publishing company, inc belmont, california,
2001.
Hibah Buku Dra. Anita Lestari,.