Fast and reliable guide for you, if you have the task to dictate your first tape for your typist or external office - and you are a lone wolf, an entrepreneur who just started and firstly have to do everything yourself - beginning with business administration, management, finance and bookkeeping, over distribution strategy and ads production, up to bringing your rubbish into the container outside yourself.
Written not in Oxford-English, but in internationally well understood American English.
Here you have your personal guide at hand that you can use, for you yet have no colleagues who can help you with your first steps.