Gaya APA
Callegaro, Mario, Manfreda, Katja Lozar, Vehovar, Vasja. (2015).
Web survey methodology .
London:
SAGE Publications.
Gaya Chicago
Callegaro, Mario, Manfreda, Katja Lozar, Vehovar, Vasja.
Web survey methodology.
London:
SAGE Publications,
2015.
Text.
Gaya MLA
Callegaro, Mario, Manfreda, Katja Lozar, Vehovar, Vasja.
Web survey methodology.
London:
SAGE Publications,
2015.
Text.
Gaya Turabian
Callegaro, Mario, Manfreda, Katja Lozar, Vehovar, Vasja.
Web survey methodology.
London:
SAGE Publications,
2015.
Print.