Swan, M. (1978). Understanding ideas: Advanced reading skills. Teacher's Book. Cambridge University Press.
Citazione stile Chigago Style (17a edizione)Swan, Michael. Understanding Ideas: Advanced Reading Skills. Teacher's Book. Cambridge: Cambridge University Press, 1978.
Citatione MLA (9a ed.)Swan, Michael. Understanding Ideas: Advanced Reading Skills. Teacher's Book. Cambridge University Press, 1978.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.