Summers, D. C. (1997). Quality Donna C.s; Ed. Stephen Helba. Prentice-Hall.
Citación estilo ChicagoSummers, Donna C.S. Quality Donna C.s; Ed. Stephen Helba. Prentice-Hall, 1997.
Cita MLASummers, Donna C.S. Quality Donna C.s; Ed. Stephen Helba. Prentice-Hall, 1997.
Warning: These citations may not always be 100% accurate.