(1980). Annual editions. McGraw-Hill.
Cita Chicago Style (17a ed.)Annual Editions. New York: McGraw-Hill, 1980.
Cita MLA (8a ed.)Annual Editions. McGraw-Hill, 1980.
Precaución: Estas citas no son 100% exactas.
(1980). Annual editions. McGraw-Hill.
Cita Chicago Style (17a ed.)Annual Editions. New York: McGraw-Hill, 1980.
Cita MLA (8a ed.)Annual Editions. McGraw-Hill, 1980.