Citazione Stile APA (7a Edizione)

Somaratne, W. R. P. (1956). Aids and tests in the teacing of english: As a second language. Oxford U. pr..

Citazione stile Chigago Style (17a edizione)

Somaratne, W. R. P. Aids and Tests in the Teacing of English: As a Second Language. London: Oxford U. pr., 1956.

Citatione MLA (9a ed.)

Somaratne, W. R. P. Aids and Tests in the Teacing of English: As a Second Language. Oxford U. pr., 1956.