Gaya APA
McBurney, Donald H. (2007).
Research methods 7th .
Belmont:
Thomson Wadsworth.
Gaya Chicago
McBurney, Donald H.
Research methods 7th.
Belmont:
Thomson Wadsworth,
2007.
Text.
Gaya MLA
McBurney, Donald H.
Research methods 7th.
Belmont:
Thomson Wadsworth,
2007.
Text.
Gaya Turabian
McBurney, Donald H.
Research methods 7th.
Belmont:
Thomson Wadsworth,
2007.
Print.