@book{2530,
	author = {Ehninger, Douglas.},
	title = {Principles and types of speech communication /},
	publisher = {Scott, Foresman and Company,},
	year = {c1986.},
	address = {Glenview, Ill. :},
	edition = {10th ed.},
	note = {Rev. ed. of: Principles and types of speech communication / Douglas Ehninger. 9th ed. c1982.}
}