How to use "with reference" "with refer"?
a) With reference to our meeting today
b) With refer to our meeting today
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Use this: a) With reference to our meeting today.

'With refer' is not an English phrase.
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Can we use "Refer to our meeting today"? "Refer to our telephone conversation today"?
Students: Are you brave enough to let our tutors analyse your pronunciation?
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In other situations, but not this. What you have now written is an imperative sentence, which might follow an explanation of something expressed in the meeting or telephone conversation.
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