Covill, C., Perrett, J. Longman English for Bulgaria. England: Pearson Education Limited, 2019 128 p. 978-1-2922-4351-1.
Covill, C., Perrett, J. Longman English for Bulgaria. England: Pearson Education Limited, 2019 128 p. 978-1-2922-4351-1.
Covill, C., Perrett, J. (2019) Longman English for Bulgaria, England: Pearson Education Limited 128 p. 978-1-2922-4351-1.
Covill, C., & Perrett, J. (2019). Longman English for Bulgaria. Pupil`s Book for the 4th grade. England: Pearson Education Limited, 128 p.
Covill C, Perrett J. Longman English for Bulgaria: Pupil`s Book for the 4th grade. England: Pearson Education Limited; 2019. p. 128 p. ISBN: 978-1-2922-4351-1.