APA

Martin M. C., . (1970). Exercising spoken english. London: MacMillan.

Chicago

Martin M.H Combe, . 1970. Exercising spoken english. London: MacMillan.

Harvard

Martin M. C., . (1970). Exercising spoken english. London: MacMillan.

MLA

Martin M.H Combe, . Exercising spoken english. London: MacMillan. 1970.