Cassels, J. (1960). How to sell successfully by direct mail. Business publications.
Stile di citazione ChicagoCassels, J.W.W. How to Sell Successfully by Direct Mail. London: Business publications, 1960.
Citazione MLACassels, J.W.W. How to Sell Successfully by Direct Mail. Business publications, 1960.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.