Cita APA (7a ed.)
Guide to Modern English: Awareness and Words. Scott, Foresman and Company.
Cita estilo Chicago (17a ed.)
Guide to Modern English: Awareness and Words. Glenview, EUA: Scott, Foresman and Company.
Cita MLA (9a ed.)
Guide to Modern English: Awareness and Words. Scott, Foresman and Company.
Precaución: Estas citas no son 100% exactas.