Citazione Stile APA (7a Edizione)

Underwood, T. (1999). The portfolio project: A study of assessment, instruction, and middle school reform. National Council of Teachers of English.

Citazione stile Chigago Style (17a edizione)

Underwood, Terry. The Portfolio Project: A Study of Assessment, Instruction, and Middle School Reform. Urbana: National Council of Teachers of English, 1999.

Citatione MLA (9a ed.)

Underwood, Terry. The Portfolio Project: A Study of Assessment, Instruction, and Middle School Reform. National Council of Teachers of English, 1999.