Cita APA (7th ed.)
Lewis, J. P. (1980). Development co-operation: Efforts and policies of the membrers of the Development Assistance Committee.
Cita Chicago (17th ed.)
Lewis, John P. Development Co-operation: Efforts and Policies of the Membrers of the Development Assistance Committee. 1980.
Cita MLA (9th ed.)
Lewis, John P. Development Co-operation: Efforts and Policies of the Membrers of the Development Assistance Committee. 1980.
Atenció: Aquestes cites poden no estar 100% correctes.