@book{57877,
	author = {Dillman, Don A. and Smyth, Jolene D.},
	title = {Internet, phone, mail, and mixed-mode surveys},
	publisher = {Wiley},
	year = {2014},
	address = {Hoboken, New Jersey},
	edition = {Fourth edition},
	note = {Literaturverzeichnis: Seite 469-490}
}