@book {creswell_research_1994,
	title = {Research {Design}: {Qualitative} \& {Quantitative} {Approaches}},
	year = {1994},
	note = {n/a},
	publisher = {Sage},
	organization = {Sage},
	address = {Thousand Oaks, California},
	abstract = {n/a},
	author = {Creswell, John W.}
}
