English Language Services & English language services. (1964). English 900.: Book three. Macmillan.
Style de citation Chicago (17e éd.)English Language Services et English language services. English 900.: Book Three. London: Macmillan, 1964.
Style de citation MLA (9e éd.)English Language Services et English language services. English 900.: Book Three. Macmillan, 1964.
Attention : ces citations peuvent ne pas être correctes à 100%.