Gaya APA
Groves, Robert M., Tourangeau, Roger, Singer, Eleanor, Couper, Mick P., Fowler, Floyd J., Jr., Lepkowski, James M.. (2004).
Survey methodology .
Hoboken, NJ.:
John Wiley.
Gaya Chicago
Groves, Robert M., Tourangeau, Roger, Singer, Eleanor, Couper, Mick P., Fowler, Floyd J., Jr., Lepkowski, James M..
Survey methodology.
Hoboken, NJ.:
John Wiley,
2004.
Text.
Gaya MLA
Groves, Robert M., Tourangeau, Roger, Singer, Eleanor, Couper, Mick P., Fowler, Floyd J., Jr., Lepkowski, James M..
Survey methodology.
Hoboken, NJ.:
John Wiley,
2004.
Text.
Gaya Turabian
Groves, Robert M., Tourangeau, Roger, Singer, Eleanor, Couper, Mick P., Fowler, Floyd J., Jr., Lepkowski, James M..
Survey methodology.
Hoboken, NJ.:
John Wiley,
2004.
Print.