Gaya APA
Phelps, Harold A, Henderson, David. (1957).
Contemporary Social Problems (-).
USA:
Prentice Hall.
Gaya Chicago
Phelps, Harold A, Henderson, David.
Contemporary Social Problems.
-
USA:
Prentice Hall,
1957.
Texts.
Gaya MLA
Phelps, Harold A, Henderson, David.
Contemporary Social Problems.
-
USA:
Prentice Hall,
1957.
Texts.
Gaya Turabian
Phelps, Harold A, Henderson, David.
Contemporary Social Problems.
-
USA:
Prentice Hall,
1957.
Texts.