Gaya APA
Lauer, Robert H.. (2004).
Social problems and the quality of life (9th ed.).
:
.
Gaya Chicago
Lauer, Robert H..
Social problems and the quality of life.
9th ed.
:
,
2004.
Text.
Gaya MLA
Lauer, Robert H..
Social problems and the quality of life.
9th ed.
:
,
2004.
Text.
Gaya Turabian
Lauer, Robert H..
Social problems and the quality of life.
9th ed.
:
,
2004.
Print.