@book{32998,
	author = {Burtness, Paul S., and Clark, Alfred T.},
	title = {Effective English for business communication},
	publisher = {South-Western Pub. Co.},
	year = {c1980.},
	address = {Cincinnati},
	edition = {7th ed.},
	note = {Sixth ed., published in 1970, by R. R. Aurner and P. S. Burtness.}
}