Cita APA (7th ed.)

Beyfus, D. (1992). Modern manners: The complete guide to contemporary etiquette. Reed Consumer Books Ltd.

Cita Chicago (17th ed.)

Beyfus, Drusilla. Modern Manners: The Complete Guide to Contemporary Etiquette. London: Reed Consumer Books Ltd, 1992.

Cita MLA (9th ed.)

Beyfus, Drusilla. Modern Manners: The Complete Guide to Contemporary Etiquette. Reed Consumer Books Ltd, 1992.