Ban goc (Tiếng Anh)

FROST'S LAWS AND BY-LAWS OF AMERICAN SOCIETY A CONDENSED BUT THOROUGH TREATISE ON ETIQUETTE AND ITS USAGES IN AMERICA, CONTAINING PLAIN AND RELIABLE DIRECTIONS FOR DEPORTMENT IN EVERY SITUATION IN LIFE ON THE FOLLOWING SUBJECTS: Letters of Introduction, Salutes and Salutations Calls, Conversation, Invitations, Dinner Company, Balls, Morning and Evening Parties, Visiting, Street Etiquette, Riding and Driving, Travelling, Etiquette in Church, Etiqu