Cita APA (7th ed.)

Hasan, A. (1978). The book in multilingual countries. Unesco.

Cita Chicago (17th ed.)

Hasan, Abul. The Book in Multilingual Countries. Paris: Unesco, 1978.

Cita MLA (9th ed.)

Hasan, Abul. The Book in Multilingual Countries. Unesco, 1978.