Cita APA (7a ed.)
(1999). 21 ST CENTURY SYNONYM AND ANTONYM FINDER.
Cita estilo Chicago (17a ed.)
21 ST CENTURY SYNONYM AND ANTONYM FINDER. 1999.
Cita MLA (9a ed.)
21 ST CENTURY SYNONYM AND ANTONYM FINDER. 1999.
Precaución: Estas citas no son 100% exactas.