O`Sullivan, D., Swan, M., Walter, C. The New Cambridge English Course. England: Cambridge University Press, 1993 40 p.: с табл. 0-521-37672-6.
O`Sullivan, D., Swan, M., Walter, C. The New Cambridge English Course. England: Cambridge University Press, 1993 40 p.: с табл. 0-521-37672-6.
O`Sullivan, D., Swan, M., Walter, C. (1993) The New Cambridge English Course, England: Cambridge University Press 40 p.: с табл. 0-521-37672-6.
O`Sullivan, D., Swan, M., & Walter, C. (1993). The New Cambridge English Course. Test Book 4 - Upper - Intermediate. England: Cambridge University Press, 40 p.: с табл.
O`Sullivan D, Swan M, Walter C. The New Cambridge English Course: Test Book 4 - Upper - Intermediate. England: Cambridge University Press; 1993. p. 40 p.: с табл. ISBN: 0-521-37672-6.
