@book{6166,
	author = {Hadfield, Chris and Witthauer, John. and Witthauer, John.},
	title = {Today's Technician: },
	publisher = {Cengage Learning, Inc., },
	year = {c2021.},
	address = {Boston, MA : },
	edition = {6th ed. },
	note = {Includes bibliographical references, glossary, and index.}
}