Widok standardowy
Widok MARC
Summertown Publishing. (Hasło korporatywne)
Summertown Publishing zał. w 1998.
Kp. Business English : ... without too much effort! / Ken Taylor. - Oxford, 2006. (Summertown Publishing)
Summertown Publishing, 07.03.2014 http://www.summertown.co.uk/default.asp?V_ITEM_ID=157