Cita APA (7th ed.)

Philippines. National Science Development Board. (1962). Research and development expenditures of private industry in 1960. [s.n.

Cita Chicago (17th ed.)

Philippines. National Science Development Board. Research and Development Expenditures of Private Industry in 1960. Manila: [s.n, 1962.

Cita MLA (9th ed.)

Philippines. National Science Development Board. Research and Development Expenditures of Private Industry in 1960. [s.n, 1962.

Atenció: Aquestes cites poden no estar 100% correctes.