Cita APA (7th ed.)

Vacca, R. T., & Vacca, J. A. L. (1999). Content area reading: Literacy and learning accross the curriculum (6th ed.). Longman.

Cita Chicago (17th ed.)

Vacca, Richard T., i Jo Anne L. Vacca. Content Area Reading: Literacy and Learning Accross the Curriculum. 6th ed. New York: Longman, 1999.

Cita MLA (9th ed.)

Vacca, Richard T., i Jo Anne L. Vacca. Content Area Reading: Literacy and Learning Accross the Curriculum. 6th ed. Longman, 1999.