Johnson, C., Barrall, I. Intelligent Business. Upper Intermediate. Harlow, England: PEARSON, 2006 112 p. 978-0-582-84696-8.
Johnson, C., Barrall, I. Intelligent Business. Upper Intermediate. Harlow, England: PEARSON, 2006 112 p. 978-0-582-84696-8.
Johnson, C., Barrall, I. (2006) Intelligent Business. Upper Intermediate, Harlow, England: PEARSON 112 p. 978-0-582-84696-8.
Johnson, C., & Barrall, I. (2006). Intelligent Business. Upper Intermediate. Business English : Skill Book. Harlow, England: PEARSON, 112 p.
Johnson C, Barrall I. Intelligent Business. Upper Intermediate: Business English : Skill Book. Harlow, England: PEARSON; 2006. p. 112 p. ISBN: 978-0-582-84696-8.