Cita APA (7th ed.)

Gill, R. T. (1963). Economic development: Past and present. Prentice-Hall.

Cita Chicago (17th ed.)

Gill, Richard T. Economic Development: Past and Present. Englewood Cliffs, N.J: Prentice-Hall, 1963.

Cita MLA (9th ed.)

Gill, Richard T. Economic Development: Past and Present. Prentice-Hall, 1963.