Penrose, E. (1968). A Note on Development Planning and The Role of The Enterprise. The Institute of National Planning.
Citazione stile Chigago Style (17a edizione)Penrose, E. A Note on Development Planning and The Role of The Enterprise. Cairo: The Institute of National Planning, 1968.
Citatione MLA (9a ed.)Penrose, E. A Note on Development Planning and The Role of The Enterprise. The Institute of National Planning, 1968.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.