Citazione Stile APA (7a Edizione)

Burrill, C. W., & Ellsworth, L. W. (1980). Modern project management: Foundations for quality and productivity. Burrill-Ellsworth Associates.

Citazione stile Chigago Style (17a edizione)

Burrill, Claude W., e Leon W. Ellsworth. Modern Project Management: Foundations for Quality and Productivity. Tenafly, N.J: Burrill-Ellsworth Associates, 1980.

Citatione MLA (9a ed.)

Burrill, Claude W., e Leon W. Ellsworth. Modern Project Management: Foundations for Quality and Productivity. Burrill-Ellsworth Associates, 1980.