Step by Step to Cambridge First Certificate and Toefl Practical English Grammar Tests with Key. София: Ланс, 1995 143 p. 954-668-004-4.
Step by Step to Cambridge First Certificate and Toefl Practical English Grammar Tests with Key. София: Ланс, 1995 143 p. 954-668-004-4.
(1995) Step by Step to Cambridge First Certificate and Toefl Practical English Grammar Tests with Key, София: Ланс 143 p. 954-668-004-4.
(1995). Step by Step to Cambridge First Certificate and Toefl Practical English Grammar Tests with Key. Сборник. София: Ланс, 143 p.
Step by Step to Cambridge First Certificate and Toefl Practical English Grammar Tests with Key: Сборник. София: Ланс; 1995. p. 143 p. ISBN: 954-668-004-4.
