Citazione Stile APA (7a Edizione)

Nicholls, A., & Nicholls, S. H. (1972). Developing a curriculum: A practical guide. Allen and Unwin.

Citazione stile Chigago Style (17a edizione)

Nicholls, Audrey, e S. Howard Nicholls. Developing a Curriculum: A Practical Guide. London: Allen and Unwin, 1972.

Citatione MLA (8a ed.)

Nicholls, Audrey, e S. Howard Nicholls. Developing a Curriculum: A Practical Guide. Allen and Unwin, 1972.