Gaya APA
Scarpitti, F, , , , , R.
(1980).
Social problems
(
1980)
.
:
New York : Holt Rinehart and Winston,.
Gaya MLA
Scarpitti, F, , , , , R.
"Social problems".
1980
:
New York : Holt Rinehart and Winston,,
1980.
Text.