Dubin, F. (1987). Reading on purpose: Building cognitive skills for intermediate learners. Addison-Wesley.
Cita Chicago (17th ed.)Dubin, Fraida. Reading on Purpose: Building Cognitive Skills for Intermediate Learners. Reading: Addison-Wesley, 1987.
Cita MLA (9th ed.)Dubin, Fraida. Reading on Purpose: Building Cognitive Skills for Intermediate Learners. Addison-Wesley, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.