Cita APA (7a ed.)
English Language Services, Inc. (1969). English this way: Teacher's manual and key. The Macmillan company.
Cita Chicago Style (17a ed.)
English Language Services, Inc. English This Way: Teacher's Manual and Key. New York: The Macmillan company, 1969.
Cita MLA (9a ed.)
English Language Services, Inc. English This Way: Teacher's Manual and Key. The Macmillan company, 1969.
Precaución: Estas citas no son 100% exactas.