APA

Trim J. L. M., . (1970). English pronunciation illustrated. : Cambridge University press, Cambridge.

Chicago

Trim John L M, . 1970. English pronunciation illustrated. : Cambridge University press, Cambridge.

Harvard

Trim J. L. M., . (1970). English pronunciation illustrated. : Cambridge University press, Cambridge.

MLA

Trim John L M, . English pronunciation illustrated. : Cambridge University press, Cambridge. 1970.