Cita APA (7th ed.)

Lippitt, V. G. (1975). The national economic environment \. McGraw-Hill.

Cita Chicago (17th ed.)

Lippitt, Vernon G. The National Economic Environment \. New York: McGraw-Hill, 1975.

Cita MLA (8th ed.)

Lippitt, Vernon G. The National Economic Environment \. McGraw-Hill, 1975.