Citazione Stile APA (7a Edizione)

Chitty, C., & Butterfield, S. (1993). The National Curriculum: Is it workingn. Longman.

Citazione stile Chigago Style (17a edizione)

Chitty, Clyde, e Sue Butterfield. The National Curriculum: Is It Workingn. Harlow, Essex, Eng: Longman, 1993.

Citatione MLA (9a ed.)

Chitty, Clyde, e Sue Butterfield. The National Curriculum: Is It Workingn. Longman, 1993.