Cita APA (7th ed.)

Lado, R. (1964). Language teaching: A scientific approach. Mc Graw Hill.

Cita Chicago (17th ed.)

Lado, Robert. Language Teaching: A Scientific Approach. New York: Mc Graw Hill, 1964.

Cita MLA (9th ed.)

Lado, Robert. Language Teaching: A Scientific Approach. Mc Graw Hill, 1964.