Four corners. 1, Student's book /
Richards, Jack C., 1943-
Four corners. 1, Student's book / Jack C. Richards, David Bohlke. - Cambridge : Cambridge University Press, 2012. - 1 volume (various pagings) + 1 CD-ROM (4 3/4 in.)
9780521126151
English language--English.--Textbooks for foreign speakers
PE1128 / .R53 2012
Four corners. 1, Student's book / Jack C. Richards, David Bohlke. - Cambridge : Cambridge University Press, 2012. - 1 volume (various pagings) + 1 CD-ROM (4 3/4 in.)
9780521126151
English language--English.--Textbooks for foreign speakers
PE1128 / .R53 2012