@book{139018,
	author = {Barrett, Michael J. and Brink, Victor Zinn},
	title = {Evaluating internal/external audit services and relationships},
	publisher = {Institute of Internal Auditors},
	year = {c1980.},
	series = {Research report / The Institute of Internal Auditors, inc.},
	address = {Altamonte Springs, Fla.}
}