Gaya APA
Phelps, Harold A.. (1961).
Contemporary social problems / by Harold A. Phelps and David Henderson (4th Ed.).
:
New York : Prentice-Hall.
Gaya Chicago
Phelps, Harold A..
Contemporary social problems / by Harold A. Phelps and David Henderson.
4th Ed.
:
New York : Prentice-Hall,
1961.
Buku.
Gaya MLA
Phelps, Harold A..
Contemporary social problems / by Harold A. Phelps and David Henderson.
4th Ed.
:
New York : Prentice-Hall,
1961.
Buku.
Gaya Turabian
Phelps, Harold A..
Contemporary social problems / by Harold A. Phelps and David Henderson.
4th Ed.
:
New York : Prentice-Hall,
1961.
Buku.