Cita APA (7th ed.)

Swan, M. (1978). Understanding ideas: Advanced reading skills. Teacher's Book. Cambridge University Press.

Cita Chicago (17th ed.)

Swan, Michael. Understanding Ideas: Advanced Reading Skills. Teacher's Book. Cambridge: Cambridge University Press, 1978.

Cita MLA (9th ed.)

Swan, Michael. Understanding Ideas: Advanced Reading Skills. Teacher's Book. Cambridge University Press, 1978.