Cita APA (7th ed.)

(1971). Studies in development planning. Harvard University Pr.

Cita Chicago (17th ed.)

Studies in Development Planning. Cambridge, Mass: Harvard University Pr, 1971.

Cita MLA (9th ed.)

Studies in Development Planning. Harvard University Pr, 1971.

Atenció: Aquestes cites poden no estar 100% correctes.