Citazione Stile APA (7a Edizione)

Hegstad, S. O., & Newport, I. (1987). Management contracts: Main features and design issues. World Bank.

Citazione stile Chigago Style (17a edizione)

Hegstad, Sven Olaf, e Ian Newport. Management Contracts: Main Features and Design Issues. Washington: World Bank, 1987.

Citatione MLA (9a ed.)

Hegstad, Sven Olaf, e Ian Newport. Management Contracts: Main Features and Design Issues. World Bank, 1987.