Cita APA (7a ed.)

Williamson, H. R. (1968). Teach yourself chinese. The English Universities Press Lda.

Cita Chicago Style (17a ed.)

Williamson, H. R. Teach Yourself Chinese. London: The English Universities Press Lda, 1968.

Cita MLA (9a ed.)

Williamson, H. R. Teach Yourself Chinese. The English Universities Press Lda, 1968.