Cita APA (7th ed.)

Fryer, D. W. (1965). World economic development. McGraw-Hill.

Cita Chicago (17th ed.)

Fryer, Donald W. World Economic Development. New York: McGraw-Hill, 1965.

Cita MLA (9th ed.)

Fryer, Donald W. World Economic Development. McGraw-Hill, 1965.

Atenció: Aquestes cites poden no estar 100% correctes.