Cita APA (7th ed.)

U.S. National Science Foundation. (1961). Scientific reseach and development of nonprofit organizations: Expenditures and manpower, 1957. s.n.

Cita Chicago (17th ed.)

U.S. National Science Foundation. Scientific Reseach and Development of Nonprofit Organizations: Expenditures and Manpower, 1957. [Washington: s.n, 1961.

Cita MLA (9th ed.)

U.S. National Science Foundation. Scientific Reseach and Development of Nonprofit Organizations: Expenditures and Manpower, 1957. s.n, 1961.

Atenció: Aquestes cites poden no estar 100% correctes.