Gaya APA
Duffy, Karen G.. (2009).
Anval editions: psychology .
New York:
McGraw Hill.
Gaya Chicago
Duffy, Karen G..
Anval editions: psychology.
New York:
McGraw Hill,
2009.
Textbook.
Gaya MLA
Duffy, Karen G..
Anval editions: psychology.
New York:
McGraw Hill,
2009.
Textbook.
Gaya Turabian
Duffy, Karen G..
Anval editions: psychology.
New York:
McGraw Hill,
2009.
Textbook.