Citazione Stile APA (7a Edizione)

(1963). A proposal concerning the general line of the: The letter. Foreign Language Pr.

Citazione stile Chigago Style (17a edizione)

A Proposal Concerning the General Line of the: The Letter. Peking: Foreign Language Pr, 1963.

Citatione MLA (9a ed.)

A Proposal Concerning the General Line of the: The Letter. Foreign Language Pr, 1963.