Ricardo, J. G. (1964). Tom and Lucy: A book for the teaching of English to Spanish-speaking children. Publ. Cultural.
Citazione stile Chigago Style (17a edizione)Ricardo, J. G. Tom and Lucy: A Book for the Teaching of English to Spanish-speaking Children. La Habana: Publ. Cultural, 1964.
Citatione MLA (9a ed.)Ricardo, J. G. Tom and Lucy: A Book for the Teaching of English to Spanish-speaking Children. Publ. Cultural, 1964.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.